39901992480 has 144 divisors (see below), whose sum is σ = 155617809984. Its totient is φ = 9120453120.

The previous prime is 39901992467. The next prime is 39901992491. The reversal of 39901992480 is 8429910993.

39901992480 is a `hidden beast` number, since 399 + 0 + 1 + 9 + 9 + 248 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969186 + ... + 1989345.

It is an arithmetic number, because the mean of its divisors is an integer number (1080679236).

Almost surely, 2^39901992480 is an apocalyptic number.

39901992480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39901992480 is an abundant number, since it is smaller than the sum of its proper divisors (115715817504).

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

39901992480 is a wasteful number, since it uses less digits than its factorization.

39901992480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958559 (or 3958548 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 39901992480 in words is "thirty-nine billion, nine hundred one million, nine hundred ninety-two thousand, four hundred eighty".