2819752661920 has 48 divisors (see below), whose sum is σ = 6679817480448. Its totient is φ = 1124827741440.

The previous prime is 2819752661839. The next prime is 2819752661939. The reversal of 2819752661920 is 291662579182.

It is a happy number.

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, 23951436 + ... + 24068875.

It is an arithmetic number, because the mean of its divisors is an integer number (139162864176).

Almost surely, 2^{2819752661920} is an apocalyptic number.

2819752661920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2819752661920 is an abundant number, since it is smaller than the sum of its proper divisors (3860064818528).

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

2819752661920 is a wasteful number, since it uses less digits than its factorization.

2819752661920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48020693 (or 48020685 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 2819752661920 in words is "two trillion, eight hundred nineteen billion, seven hundred fifty-two million, six hundred sixty-one thousand, nine hundred twenty".