40135525016 has 16 divisors (see below), whose sum is σ = 75308940000. Its totient is φ = 20053141024.

The previous prime is 40135524917. The next prime is 40135525033. The reversal of 40135525016 is 61052553104.

It is a super-2 number, since 2×40135525016² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816016 + ... + 1837983.

It is an arithmetic number, because the mean of its divisors is an integer number (4706808750).

Almost surely, 2^40135525016 is an apocalyptic number.

It is an amenable number.

40135525016 is a deficient number, since it is larger than the sum of its proper divisors (35173414984).

40135525016 is a wasteful number, since it uses less digits than its factorization.

40135525016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655378 (or 3655374 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 40135525016 in words is "forty billion, one hundred thirty-five million, five hundred twenty-five thousand, sixteen".