250531413540540 has 48 divisors (see below), whose sum is σ = 765259590453120. Its totient is φ = 60734888130880.

The previous prime is 250531413540539. The next prime is 250531413540571. The reversal of 250531413540540 is 45045314135052.

It is a junction number, because it is equal to n+sod(n) for n = 250531413540492 and 250531413540501.

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, 189796524750 + ... + 189796526069.

It is an arithmetic number, because the mean of its divisors is an integer number (15942908134440).

Almost surely, 2^{250531413540540} is an apocalyptic number.

250531413540540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250531413540540 is an abundant number, since it is smaller than the sum of its proper divisors (514728176912580).

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

250531413540540 is a wasteful number, since it uses less digits than its factorization.

250531413540540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379593050842 (or 379593050840 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 250531413540540 its reverse (45045314135052), we get a palindrome (295576727675592).

The spelling of 250531413540540 in words is "two hundred fifty trillion, five hundred thirty-one billion, four hundred thirteen million, five hundred forty thousand, five hundred forty".