2794739857920 has 120 divisors (see below), whose sum is σ = 9678970228356. Its totient is φ = 745263955968.

The previous prime is 2794739857891. The next prime is 2794739857991. The reversal of 2794739857920 is 297589374972.

2794739857920 is a `hidden beast` number, since 2 + 7 + 9 + 47 + 3 + 9 + 8 + 579 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2790396520704 + 4343337216 = 1670448^2 + 65904^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

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, 60626697 + ... + 60672776.

Almost surely, 2^{2794739857920} is an apocalyptic number.

2794739857920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2794739857920 is an abundant number, since it is smaller than the sum of its proper divisors (6884230370436).

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

2794739857920 is a wasteful number, since it uses less digits than its factorization.

2794739857920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121299502 (or 121299483 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 72.

The spelling of 2794739857920 in words is "two trillion, seven hundred ninety-four billion, seven hundred thirty-nine million, eight hundred fifty-seven thousand, nine hundred twenty".