2920274478864 has 120 divisors (see below), whose sum is σ = 8748806207232. Its totient is φ = 942023986560.

The previous prime is 2920274478829. The next prime is 2920274478889. The reversal of 2920274478864 is 4688744720292.

2920274478864 is a `hidden beast` number, since 2 + 92 + 0 + 2 + 74 + 478 + 8 + 6 + 4 = 666.

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, 11993979 + ... + 12235034.

Almost surely, 2^{2920274478864} is an apocalyptic number.

2920274478864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2920274478864 is an abundant number, since it is smaller than the sum of its proper divisors (5828531728368).

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

2920274478864 is a wasteful number, since it uses less digits than its factorization.

2920274478864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24229067 (or 24229049 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 63.

The spelling of 2920274478864 in words is "two trillion, nine hundred twenty billion, two hundred seventy-four million, four hundred seventy-eight thousand, eight hundred sixty-four".