202434404 has 12 divisors (see below), whose sum is σ = 354815664. Its totient is φ = 101058504.

The previous prime is 202434391. The next prime is 202434443. The reversal of 202434404 is 404434202.

It is a self number, because there is not a number n which added to its sum of digits gives 202434404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36782 + ... + 41925.

It is an arithmetic number, because the mean of its divisors is an integer number (29567972).

Almost surely, 2^202434404 is an apocalyptic number.

It is an amenable number.

202434404 is a deficient number, since it is larger than the sum of its proper divisors (152381260).

202434404 is a wasteful number, since it uses less digits than its factorization.

202434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79354 (or 79352 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 202434404 is about 14227.9444755734. The cubic root of 202434404 is about 587.1667320047.

Adding to 202434404 its reverse (404434202), we get a palindrome (606868606).

It can be divided in two parts, 2024 and 34404, that multiplied together give a palindrome (69633696).

The spelling of 202434404 in words is "two hundred two million, four hundred thirty-four thousand, four hundred four".