250442353240 has 32 divisors (see below), whose sum is σ = 566022199680. Its totient is φ = 99727713792.

The previous prime is 250442353211. The next prime is 250442353267. The reversal of 250442353240 is 42353244052.

It is a junction number, because it is equal to n+sod(n) for n = 250442353196 and 250442353205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14029329 + ... + 14047168.

It is an arithmetic number, because the mean of its divisors is an integer number (17688193740).

Almost surely, 2^250442353240 is an apocalyptic number.

250442353240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250442353240 is an abundant number, since it is smaller than the sum of its proper divisors (315579846440).

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

250442353240 is a wasteful number, since it uses less digits than its factorization.

250442353240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28076731 (or 28076727 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 250442353240 its reverse (42353244052), we get a palindrome (292795597292).

The spelling of 250442353240 in words is "two hundred fifty billion, four hundred forty-two million, three hundred fifty-three thousand, two hundred forty".