625426340 has 96 divisors (see below), whose sum is σ = 1654103808. Its totient is φ = 192960000.

The previous prime is 625426339. The next prime is 625426349. The reversal of 625426340 is 43624526.

It is a junction number, because it is equal to n+sod(n) for n = 625426297 and 625426306.

It is not an unprimeable number, because it can be changed into a prime (625426349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153530 + ... + 157550.

It is an arithmetic number, because the mean of its divisors is an integer number (17230248).

Almost surely, 2^625426340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625426340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827051904).

625426340 is an abundant number, since it is smaller than the sum of its proper divisors (1028677468).

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

625426340 is a wasteful number, since it uses less digits than its factorization.

625426340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 625426340 is about 25008.5253463694. The cubic root of 625426340 is about 855.1823374556.

The spelling of 625426340 in words is "six hundred twenty-five million, four hundred twenty-six thousand, three hundred forty".