38962785640 has 32 divisors (see below), whose sum is σ = 87846324480. Its totient is φ = 15553104192.

The previous prime is 38962785607. The next prime is 38962785677. The reversal of 38962785640 is 4658726983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980592 + ... + 1019551.

It is an arithmetic number, because the mean of its divisors is an integer number (2745197640).

Almost surely, 2^38962785640 is an apocalyptic number.

It is an amenable number.

38962785640 is an abundant number, since it is smaller than the sum of its proper divisors (48883538840).

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

38962785640 is a wasteful number, since it uses less digits than its factorization.

38962785640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000641 (or 2000637 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 38962785640 in words is "thirty-eight billion, nine hundred sixty-two million, seven hundred eighty-five thousand, six hundred forty".