3992909569920 has 96 divisors (see below), whose sum is σ = 13788015878520. Its totient is φ = 1064775883776.

The previous prime is 3992909569877. The next prime is 3992909569969. The reversal of 3992909569920 is 299659092993.

3992909569920 is a `hidden beast` number, since 39 + 9 + 2 + 9 + 0 + 9 + 569 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346600974 + ... + 346612493.

Almost surely, 2^{3992909569920} is an apocalyptic number.

3992909569920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3992909569920 is an abundant number, since it is smaller than the sum of its proper divisors (9795106308600).

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

3992909569920 is a wasteful number, since it uses less digits than its factorization.

3992909569920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693213492 (or 693213477 counting only the distinct ones).

The product of its (nonzero) digits is 191318760, while the sum is 72.

The spelling of 3992909569920 in words is "three trillion, nine hundred ninety-two billion, nine hundred nine million, five hundred sixty-nine thousand, nine hundred twenty".