202340005899864 has 64 divisors (see below), whose sum is σ = 578127203443200. Its totient is φ = 57810140169984.

The previous prime is 202340005899821. The next prime is 202340005899881. The reversal of 202340005899864 is 468998500043202.

It is a junction number, because it is equal to n+sod(n) for n = 202340005899798 and 202340005899807.

It is a congruent number.

It is an unprimeable number.

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, 5874949 + ... + 20956980.

It is an arithmetic number, because the mean of its divisors is an integer number (9033237553800).

Almost surely, 2^{202340005899864} is an apocalyptic number.

202340005899864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202340005899864 is an abundant number, since it is smaller than the sum of its proper divisors (375787197543336).

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

202340005899864 is a wasteful number, since it uses less digits than its factorization.

202340005899864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26876832 (or 26876828 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 202340005899864 in words is "two hundred two trillion, three hundred forty billion, five million, eight hundred ninety-nine thousand, eight hundred sixty-four".