250145550320 has 80 divisors (see below), whose sum is σ = 616098260640. Its totient is φ = 94188137472.

The previous prime is 250145550307. The next prime is 250145550323. The reversal of 250145550320 is 23055541052.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250145550323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285467 + ... + 762746.

It is an arithmetic number, because the mean of its divisors is an integer number (7701228258).

Almost surely, 2^250145550320 is an apocalyptic number.

250145550320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250145550320 is an abundant number, since it is smaller than the sum of its proper divisors (365952710320).

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

250145550320 is a wasteful number, since it uses less digits than its factorization.

250145550320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048402 (or 1048396 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 250145550320 in words is "two hundred fifty billion, one hundred forty-five million, five hundred fifty thousand, three hundred twenty".