Search a number
BaseRepresentation
bin10010010000011001100000…
…00010000101001000101001
312021010220111100222021011221
421020030300002011020221
520230222212440324101
6221214431133022041
711312304651362320
oct1110146002051051
9167126440867157
1040145865167401
11118788473172a4
124604655024921
13195297b3071c6
149cb0daa590b7
154994457e0aa1
hex248330085229

40145865167401 has 16 divisors (see below), whose sum is σ = 46355251809664. Its totient is φ = 34055063622144.

The previous prime is 40145865167399. The next prime is 40145865167467. The reversal of 40145865167401 is 10476156854104.

It is a cyclic number.

It is not a de Polignac number, because 40145865167401 - 21 = 40145865167399 is a prime.

It is a super-2 number, since 2×401458651674012 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40145865164401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24725266 + ... + 26298868.

It is an arithmetic number, because the mean of its divisors is an integer number (2897203238104).

Almost surely, 240145865167401 is an apocalyptic number.

It is an amenable number.

40145865167401 is a deficient number, since it is larger than the sum of its proper divisors (6209386642263).

40145865167401 is a wasteful number, since it uses less digits than its factorization.

40145865167401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611280.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 40145865167401 in words is "forty trillion, one hundred forty-five billion, eight hundred sixty-five million, one hundred sixty-seven thousand, four hundred one".