4089327794820 has 72 divisors (see below), whose sum is σ = 12404505498840. Its totient is φ = 1090468846080.

The previous prime is 4089327794807. The next prime is 4089327794837. The reversal of 4089327794820 is 284977239804.

4089327794820 is a `hidden beast` number, since 4 + 0 + 89 + 3 + 2 + 7 + 79 + 482 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 162081928836 + 3927245865984 = 402594^2 + 1981728^2 .

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, 12842496 + ... + 13157064.

It is an arithmetic number, because the mean of its divisors is an integer number (172284798595).

Almost surely, 2^{4089327794820} is an apocalyptic number.

It is an amenable number.

4089327794820 is an abundant number, since it is smaller than the sum of its proper divisors (8315177704020).

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

4089327794820 is a wasteful number, since it uses less digits than its factorization.

4089327794820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386805 (or 386800 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 4089327794820 in words is "four trillion, eighty-nine billion, three hundred twenty-seven million, seven hundred ninety-four thousand, eight hundred twenty".