625370340 has 144 divisors (see below), whose sum is σ = 2046123072. Its totient is φ = 142297344.

The previous prime is 625370329. The next prime is 625370401. The reversal of 625370340 is 43073526.

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

It is a junction number, because it is equal to n+sod(n) for n = 625370298 and 625370307.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1019874 + ... + 1020486.

It is an arithmetic number, because the mean of its divisors is an integer number (14209188).

Almost surely, 2^625370340 is an apocalyptic number.

625370340 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 625370340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023061536).

625370340 is an abundant number, since it is smaller than the sum of its proper divisors (1420752732).

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

625370340 is a wasteful number, since it uses less digits than its factorization.

625370340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 625370340 is about 25007.4057031112. The cubic root of 625370340 is about 855.1568126591.

The spelling of 625370340 in words is "six hundred twenty-five million, three hundred seventy thousand, three hundred forty".