252540044215 has 16 divisors (see below), whose sum is σ = 304252236288. Its totient is φ = 201229510816.

The previous prime is 252540044179. The next prime is 252540044249. The reversal of 252540044215 is 512440045252.

It is a cyclic number.

It is not a de Polignac number, because 252540044215 - 2⁹ = 252540043703 is a prime.

It is a super-2 number, since 2×252540044215² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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, 10037982 + ... + 10063108.

It is an arithmetic number, because the mean of its divisors is an integer number (19015764768).

Almost surely, 2^252540044215 is an apocalyptic number.

252540044215 is a deficient number, since it is larger than the sum of its proper divisors (51712192073).

252540044215 is a wasteful number, since it uses less digits than its factorization.

252540044215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33038.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 252540044215 its reverse (512440045252), we get a palindrome (764980089467).

The spelling of 252540044215 in words is "two hundred fifty-two billion, five hundred forty million, forty-four thousand, two hundred fifteen".