626420648484 has 36 divisors (see below), whose sum is σ = 1587766811904. Its totient is φ = 208237922352.

The previous prime is 626420648479. The next prime is 626420648509. The reversal of 626420648484 is 484846024626.

626420648484 is a `hidden beast` number, since 6 + 2 + 6 + 420 + 64 + 84 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 626420648484.

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, 23693292 + ... + 23719715.

It is an arithmetic number, because the mean of its divisors is an integer number (44104633664).

Almost surely, 2^626420648484 is an apocalyptic number.

It is an amenable number.

626420648484 is an abundant number, since it is smaller than the sum of its proper divisors (961346163420).

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

626420648484 is a wasteful number, since it uses less digits than its factorization.

626420648484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413384 (or 47413379 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 54.

The spelling of 626420648484 in words is "six hundred twenty-six billion, four hundred twenty million, six hundred forty-eight thousand, four hundred eighty-four".