3099478720 has 56 divisors (see below), whose sum is σ = 7948385424. Its totient is φ = 1144421376.

The previous prime is 3099478691. The next prime is 3099478787. The reversal of 3099478720 is 278749903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368374 + ... + 376693.

It is an arithmetic number, because the mean of its divisors is an integer number (141935454).

Almost surely, 2^3099478720 is an apocalyptic number.

It is an amenable number.

3099478720 is an abundant number, since it is smaller than the sum of its proper divisors (4848906704).

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

3099478720 is a wasteful number, since it uses less digits than its factorization.

3099478720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745097 (or 745087 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 3099478720 is about 55672.9621988987. The cubic root of 3099478720 is about 1458.0180024033.

The spelling of 3099478720 in words is "three billion, ninety-nine million, four hundred seventy-eight thousand, seven hundred twenty".