621255254352 has 60 divisors (see below), whose sum is σ = 1608564795264. Its totient is φ = 206614491200.

The previous prime is 621255254351. The next prime is 621255254357. The reversal of 621255254352 is 253452552126.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621255254351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9386977 + ... + 9452927.

Almost surely, 2^621255254352 is an apocalyptic number.

It is an amenable number.

621255254352 is an abundant number, since it is smaller than the sum of its proper divisors (987309540912).

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

621255254352 is an equidigital number, since it uses as much as digits as its factorization.

621255254352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66848 (or 66399 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The spelling of 621255254352 in words is "six hundred twenty-one billion, two hundred fifty-five million, two hundred fifty-four thousand, three hundred fifty-two".