250240738940 has 48 divisors (see below), whose sum is σ = 528249980160. Its totient is φ = 99574210560.

The previous prime is 250240738907. The next prime is 250240738991. The reversal of 250240738940 is 49837042052.

It is a junction number, because it is equal to n+sod(n) for n = 250240738891 and 250240738900.

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, 6264230 + ... + 6304050.

It is an arithmetic number, because the mean of its divisors is an integer number (11005207920).

Almost surely, 2^250240738940 is an apocalyptic number.

250240738940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250240738940 is an abundant number, since it is smaller than the sum of its proper divisors (278009241220).

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

250240738940 is a wasteful number, since it uses less digits than its factorization.

250240738940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41462 (or 41460 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 250240738940 in words is "two hundred fifty billion, two hundred forty million, seven hundred thirty-eight thousand, nine hundred forty".