625364400 has 60 divisors (see below), whose sum is σ = 2003254472. Its totient is φ = 166763520.

The previous prime is 625364359. The next prime is 625364401. The reversal of 625364400 is 4463526.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (625364401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259369 + ... + 261768.

Almost surely, 2^625364400 is an apocalyptic number.

625364400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625364400 is an abundant number, since it is smaller than the sum of its proper divisors (1377890072).

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

625364400 is a wasteful number, since it uses less digits than its factorization.

625364400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521158 (or 521147 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 625364400 is about 25007.2869380107. The cubic root of 625364400 is about 855.1541051180.

The spelling of 625364400 in words is "six hundred twenty-five million, three hundred sixty-four thousand, four hundred".