40309633957932 has 36 divisors (see below), whose sum is σ = 104379011512776. Its totient is φ = 13108824050880.

The previous prime is 40309633957897. The next prime is 40309633957939. The reversal of 40309633957932 is 23975933690304.

It is a happy number.

40309633957932 is a `hidden beast` number, since 40 + 30 + 96 + 3 + 395 + 7 + 93 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×40309633957932³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40309633957932.

It is not an unprimeable number, because it can be changed into a prime (40309633957939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13655023578 + ... + 13655026529.

It is an arithmetic number, because the mean of its divisors is an integer number (2899416986466).

Almost surely, 2^{40309633957932} is an apocalyptic number.

It is an amenable number.

40309633957932 is an abundant number, since it is smaller than the sum of its proper divisors (64069377554844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40309633957932 is a wasteful number, since it uses less digits than its factorization.

40309633957932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27310050158 (or 27310050153 counting only the distinct ones).

The product of its (nonzero) digits is 99202320, while the sum is 63.

The spelling of 40309633957932 in words is "forty trillion, three hundred nine billion, six hundred thirty-three million, nine hundred fifty-seven thousand, nine hundred thirty-two".