250152640 has 112 divisors (see below), whose sum is σ = 622669824. Its totient is φ = 95616000.

The previous prime is 250152619. The next prime is 250152649. The reversal of 250152640 is 46251052.

It is a super-3 number, since 3×250152640³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (250152649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1497837 + ... + 1498003.

It is an arithmetic number, because the mean of its divisors is an integer number (5559552).

Almost surely, 2^250152640 is an apocalyptic number.

250152640 is a gapful number since it is divisible by the number (20) 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 250152640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311334912).

250152640 is an abundant number, since it is smaller than the sum of its proper divisors (372517184).

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

250152640 is a wasteful number, since it uses less digits than its factorization.

250152640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 250152640 is about 15816.2144649091. The cubic root of 250152640 is about 630.0887084291.

The spelling of 250152640 in words is "two hundred fifty million, one hundred fifty-two thousand, six hundred forty".