250370040 has 64 divisors (see below), whose sum is σ = 763862400. Its totient is φ = 65631872.

The previous prime is 250370027. The next prime is 250370063. The reversal of 250370040 is 40073052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 250369989 and 250370016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10602 + ... + 24761.

It is an arithmetic number, because the mean of its divisors is an integer number (11935350).

Almost surely, 2^250370040 is an apocalyptic number.

250370040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250370040 is an abundant number, since it is smaller than the sum of its proper divisors (513492360).

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

250370040 is a wasteful number, since it uses less digits than its factorization.

250370040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35436 (or 35432 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 250370040 is about 15823.0856662030. The cubic root of 250370040 is about 630.2711858454.

The spelling of 250370040 in words is "two hundred fifty million, three hundred seventy thousand, forty".