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40874637481 = 101423195651
BaseRepresentation
bin100110000100010100…
…010111100010101001
310220111121211201120021
4212010110113202221
51132202401344411
630435541200441
72644624454206
oct460424274251
9126447751507
1040874637481
1116375738137
127b08a00121
133b15338a32
141d9a804cad
1510e36a3a71
hex9845178a9

40874637481 has 8 divisors (see below), whose sum is σ = 41289524928. Its totient is φ = 40459950000.

The previous prime is 40874637467. The next prime is 40874637487. The reversal of 40874637481 is 18473647804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40874637481 - 229 = 40337766569 is a prime.

It is a super-2 number, since 2×408746374812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40874637487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379506 + ... + 475156.

It is an arithmetic number, because the mean of its divisors is an integer number (5161190616).

Almost surely, 240874637481 is an apocalyptic number.

It is an amenable number.

40874637481 is a deficient number, since it is larger than the sum of its proper divisors (414887447).

40874637481 is a wasteful number, since it uses less digits than its factorization.

40874637481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99983.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 40874637481 in words is "forty billion, eight hundred seventy-four million, six hundred thirty-seven thousand, four hundred eighty-one".

Divisors: 1 101 4231 95651 427331 9660751 404699381 40874637481