625065156044406 has 80 divisors (see below), whose sum is σ = 1746213769301760. Its totient is φ = 162354585982320.

The previous prime is 625065156044339. The next prime is 625065156044437. The reversal of 625065156044406 is 604440651560526.

625065156044406 is a `hidden beast` number, since 6 + 2 + 506 + 5 + 1 + 56 + 0 + 44 + 40 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25054707586 + ... + 25054732533.

It is an arithmetic number, because the mean of its divisors is an integer number (21827672116272).

Almost surely, 2^{625065156044406} is an apocalyptic number.

625065156044406 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

625065156044406 is an abundant number, since it is smaller than the sum of its proper divisors (1121148613257354).

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

625065156044406 is a wasteful number, since it uses less digits than its factorization.

625065156044406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50109440151 (or 50109440142 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 625065156044406 in words is "six hundred twenty-five trillion, sixty-five billion, one hundred fifty-six million, forty-four thousand, four hundred six".