202400323402344 has 64 divisors (see below), whose sum is σ = 506110129459200. Its totient is φ = 67452199786944.

The previous prime is 202400323402331. The next prime is 202400323402391. The reversal of 202400323402344 is 443204323004202.

It is a super-2 number, since 2×202400323402344² (a number of 29 digits) contains 22 as substring.

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, 3162127189 + ... + 3162191195.

It is an arithmetic number, because the mean of its divisors is an integer number (7907970772800).

Almost surely, 2^{202400323402344} is an apocalyptic number.

202400323402344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202400323402344 is an abundant number, since it is smaller than the sum of its proper divisors (303709806056856).

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

202400323402344 is a wasteful number, since it uses less digits than its factorization.

202400323402344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90422 (or 90418 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 202400323402344 its reverse (443204323004202), we get a palindrome (645604646406546).

The spelling of 202400323402344 in words is "two hundred two trillion, four hundred billion, three hundred twenty-three million, four hundred two thousand, three hundred forty-four".