2796431328 has 72 divisors (see below), whose sum is σ = 7957495728. Its totient is φ = 931540992.

The previous prime is 2796431299. The next prime is 2796431377. The reversal of 2796431328 is 8231346972.

2796431328 is a `hidden beast` number, since 279 + 64 + 313 + 2 + 8 = 666.

2796431328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 791101 + ... + 794627.

It is an arithmetic number, because the mean of its divisors is an integer number (110520774).

Almost surely, 2^2796431328 is an apocalyptic number.

It is an amenable number.

2796431328 is an abundant number, since it is smaller than the sum of its proper divisors (5161064400).

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

2796431328 is a wasteful number, since it uses less digits than its factorization.

2796431328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296 (or 6285 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2796431328 is about 52881.2946891432. The cubic root of 2796431328 is about 1408.8606942750.

The spelling of 2796431328 in words is "two billion, seven hundred ninety-six million, four hundred thirty-one thousand, three hundred twenty-eight".