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40166044233285 = 3531814011061149
BaseRepresentation
bin10010010000111111000101…
…10011000110111001000101
312021012211120200110000122110
421020133202303012321011
520231040024310431120
6221232005340251233
711313621006534225
oct1110374263067105
9167184520400573
1040166044233285
1111886361930153
124608546b40b19
131954845b19789
149cc092a34085
15499c2712d2e0
hex2487e2cc6e45

40166044233285 has 32 divisors (see below), whose sum is σ = 66339634406400. Its totient is φ = 20730587328000.

The previous prime is 40166044233251. The next prime is 40166044233313. The reversal of 40166044233285 is 58233244066104.

It is a happy number.

It is not a de Polignac number, because 40166044233285 - 27 = 40166044233157 is a prime.

It is a super-2 number, since 2×401660442332852 (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37320891 + ... + 38382039.

It is an arithmetic number, because the mean of its divisors is an integer number (2073113575200).

Almost surely, 240166044233285 is an apocalyptic number.

It is an amenable number.

40166044233285 is a deficient number, since it is larger than the sum of its proper divisors (26173590173115).

40166044233285 is a wasteful number, since it uses less digits than its factorization.

40166044233285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142589.

The product of its (nonzero) digits is 3317760, while the sum is 48.

Adding to 40166044233285 its reverse (58233244066104), we get a palindrome (98399288299389).

The spelling of 40166044233285 in words is "forty trillion, one hundred sixty-six billion, forty-four million, two hundred thirty-three thousand, two hundred eighty-five".

Divisors: 1 3 5 15 31 93 155 465 81401 244203 407005 1061149 1221015 2523431 3183447 5305745 7570293 12617155 15917235 32895619 37851465 98686857 164478095 493434285 86378589749 259135769247 431892948745 1295678846235 2677736282219 8033208846657 13388681411095 40166044233285