656441203444254 has 64 divisors (see below), whose sum is σ = 1498248213249600. Its totient is φ = 212890742913024.

The previous prime is 656441203444231. The next prime is 656441203444471. The reversal of 656441203444254 is 452444302144656.

It is a happy number.

656441203444254 is a `hidden beast` number, since 6 + 5 + 6 + 4 + 4 + 1 + 203 + 4 + 4 + 425 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 656441203444254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39771982 + ... + 53802350.

It is an arithmetic number, because the mean of its divisors is an integer number (23410128332025).

Almost surely, 2^{656441203444254} is an apocalyptic number.

656441203444254 is an abundant number, since it is smaller than the sum of its proper divisors (841807009805346).

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

656441203444254 is a wasteful number, since it uses less digits than its factorization.

656441203444254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14053834 (or 14053828 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 54.

The spelling of 656441203444254 in words is "six hundred fifty-six trillion, four hundred forty-one billion, two hundred three million, four hundred forty-four thousand, two hundred fifty-four".