250130040 has 64 divisors (see below), whose sum is σ = 751766400. Its totient is φ = 66579072.

The previous prime is 250130021. The next prime is 250130051. The reversal of 250130040 is 40031052.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 77499 + ... + 80661.

It is an arithmetic number, because the mean of its divisors is an integer number (11746350).

Almost surely, 2^250130040 is an apocalyptic number.

250130040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 15815×15816.

It is an amenable number.

250130040 is an abundant number, since it is smaller than the sum of its proper divisors (501636360).

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

250130040 is a wasteful number, since it uses less digits than its factorization.

250130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 250130040 is about 15815.4999920964. The cubic root of 250130040 is about 630.0697327700.

Adding to 250130040 its reverse (40031052), we get a palindrome (290161092).

The spelling of 250130040 in words is "two hundred fifty million, one hundred thirty thousand, forty".