621604550456260 has 24 divisors (see below), whose sum is σ = 1491850921095360. Its totient is φ = 213121560156384.

The previous prime is 621604550456243. The next prime is 621604550456339. The reversal of 621604550456260 is 62654055406126.

621604550456260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 621604550456198 and 621604550456207.

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, 2220016251490 + ... + 2220016251769.

It is an arithmetic number, because the mean of its divisors is an integer number (62160455045640).

Almost surely, 2^{621604550456260} is an apocalyptic number.

It is an amenable number.

621604550456260 is an abundant number, since it is smaller than the sum of its proper divisors (870246370639100).

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

621604550456260 is a wasteful number, since it uses less digits than its factorization.

621604550456260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440032503275 (or 4440032503273 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 621604550456260 in words is "six hundred twenty-one trillion, six hundred four billion, five hundred fifty million, four hundred fifty-six thousand, two hundred sixty".