52312239402 has 16 divisors (see below), whose sum is σ = 110131030560. Its totient is φ = 16519654512.

The previous prime is 52312239379. The next prime is 52312239449. The reversal of 52312239402 is 20493221325.

It is a super-2 number, since 2×52312239402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229439533 + ... + 229439760.

It is an arithmetic number, because the mean of its divisors is an integer number (6883189410).

Almost surely, 2^52312239402 is an apocalyptic number.

52312239402 is an abundant number, since it is smaller than the sum of its proper divisors (57818791158).

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

52312239402 is a wasteful number, since it uses less digits than its factorization.

52312239402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458879317.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 52312239402 in words is "fifty-two billion, three hundred twelve million, two hundred thirty-nine thousand, four hundred two".