39413945508 has 48 divisors (see below), whose sum is σ = 105331949184. Its totient is φ = 11236688640.

The previous prime is 39413945489. The next prime is 39413945509. The reversal of 39413945508 is 80554931493.

It is a super-4 number, since 4×39413945508⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (39413945509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 470185 + ... + 547632.

It is an arithmetic number, because the mean of its divisors is an integer number (2194415608).

Almost surely, 2^39413945508 is an apocalyptic number.

It is an amenable number.

39413945508 is an abundant number, since it is smaller than the sum of its proper divisors (65918003676).

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

39413945508 is a wasteful number, since it uses less digits than its factorization.

39413945508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018292 (or 1018290 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 39413945508 in words is "thirty-nine billion, four hundred thirteen million, nine hundred forty-five thousand, five hundred eight".