620405651405232 has 240 divisors, whose sum is σ = 2278637298712320. Its totient is φ = 152663044723200.

The previous prime is 620405651405201. The next prime is 620405651405303. The reversal of 620405651405232 is 232504156504026.

620405651405232 is a `hidden beast` number, since 6 + 2 + 0 + 4 + 0 + 5 + 6 + 5 + 1 + 405 + 232 = 666.

620405651405232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1472233819 + ... + 1472655162.

It is an arithmetic number, because the mean of its divisors is an integer number (9494322077968).

Almost surely, 2^{620405651405232} is an apocalyptic number.

It is an amenable number.

620405651405232 is an abundant number, since it is smaller than the sum of its proper divisors (1658231647307088).

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

620405651405232 is a wasteful number, since it uses less digits than its factorization.

620405651405232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944889032 (or 2944889023 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 620405651405232 in words is "six hundred twenty trillion, four hundred five billion, six hundred fifty-one million, four hundred five thousand, two hundred thirty-two".