250164840 has 64 divisors (see below), whose sum is σ = 752328000. Its totient is φ = 66547712.

The previous prime is 250164839. The next prime is 250164857. The reversal of 250164840 is 48461052.

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 = 250164798 and 250164807.

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, 51559 + ... + 56201.

It is an arithmetic number, because the mean of its divisors is an integer number (11755125).

Almost surely, 2^250164840 is an apocalyptic number.

250164840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250164840 is an abundant number, since it is smaller than the sum of its proper divisors (502163160).

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

250164840 is a wasteful number, since it uses less digits than its factorization.

250164840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106 (or 5102 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 250164840 is about 15816.6001403589. The cubic root of 250164840 is about 630.0989514515.

The spelling of 250164840 in words is "two hundred fifty million, one hundred sixty-four thousand, eight hundred forty".