215342052924 has 24 divisors (see below), whose sum is σ = 502479331200. Its totient is φ = 71778607024.

The previous prime is 215342052889. The next prime is 215342052943. The reversal of 215342052924 is 429250243512.

215342052924 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205627 + ... + 687725.

It is an arithmetic number, because the mean of its divisors is an integer number (20936638800).

Almost surely, 2^215342052924 is an apocalyptic number.

It is an amenable number.

215342052924 is an abundant number, since it is smaller than the sum of its proper divisors (287137278276).

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

215342052924 is a wasteful number, since it uses less digits than its factorization.

215342052924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519329 (or 519327 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 215342052924 in words is "two hundred fifteen billion, three hundred forty-two million, fifty-two thousand, nine hundred twenty-four".