250042535525421 has 24 divisors (see below), whose sum is σ = 366196384267896. Its totient is φ = 164377282867200.

The previous prime is 250042535525401. The next prime is 250042535525429. The reversal of 250042535525421 is 124525535240052.

250042535525421 is a `hidden beast` number, since 2 + 5 + 0 + 0 + 4 + 2 + 53 + 5 + 52 + 542 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22489504136100 + 227553031389321 = 4742310^2 + 15084861^2 .

It is not a de Polignac number, because 250042535525421 - 2²⁷ = 250042401307693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250042535525429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36481470 + ... + 42789983.

It is an arithmetic number, because the mean of its divisors is an integer number (15258182677829).

Almost surely, 2^{250042535525421} is an apocalyptic number.

It is an amenable number.

250042535525421 is a deficient number, since it is larger than the sum of its proper divisors (116153848742475).

250042535525421 is a wasteful number, since it uses less digits than its factorization.

250042535525421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79276333 (or 79276330 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 250042535525421 in words is "two hundred fifty trillion, forty-two billion, five hundred thirty-five million, five hundred twenty-five thousand, four hundred twenty-one".