625133833920 has 224 divisors, whose sum is σ = 2212526131200. Its totient is φ = 166158646272.

The previous prime is 625133833913. The next prime is 625133833943. The reversal of 625133833920 is 29338331526.

625133833920 is a `hidden beast` number, since 6 + 2 + 513 + 3 + 83 + 39 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 2534641 + ... + 2770319.

It is an arithmetic number, because the mean of its divisors is an integer number (9877348800).

Almost surely, 2^625133833920 is an apocalyptic number.

625133833920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625133833920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106263065600).

625133833920 is an abundant number, since it is smaller than the sum of its proper divisors (1587392297280).

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

625133833920 is a wasteful number, since it uses less digits than its factorization.

625133833920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236012 (or 235996 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 625133833920 in words is "six hundred twenty-five billion, one hundred thirty-three million, eight hundred thirty-three thousand, nine hundred twenty".