234879520436 has 24 divisors (see below), whose sum is σ = 448526983296. Its totient is φ = 106734697920.

The previous prime is 234879520429. The next prime is 234879520459. The reversal of 234879520436 is 634025978432.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552161 + ... + 880136.

It is an arithmetic number, because the mean of its divisors is an integer number (18688624304).

Almost surely, 2^234879520436 is an apocalyptic number.

It is an amenable number.

234879520436 is a deficient number, since it is larger than the sum of its proper divisors (213647462860).

234879520436 is a wasteful number, since it uses less digits than its factorization.

234879520436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436039 (or 1436037 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 234879520436 in words is "two hundred thirty-four billion, eight hundred seventy-nine million, five hundred twenty thousand, four hundred thirty-six".