250408880 has 20 divisors (see below), whose sum is σ = 582200832. Its totient is φ = 100163520.

The previous prime is 250408817. The next prime is 250408919. The reversal of 250408880 is 88804052.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 250408880.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564976 + ... + 1565135.

Almost surely, 2^250408880 is an apocalyptic number.

250408880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250408880 is an abundant number, since it is smaller than the sum of its proper divisors (331791952).

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

250408880 is a wasteful number, since it uses less digits than its factorization.

250408880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130124 (or 3130118 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 250408880 is about 15824.3129392716. The cubic root of 250408880 is about 630.3037755636.

The spelling of 250408880 in words is "two hundred fifty million, four hundred eight thousand, eight hundred eighty".