234540521644 has 48 divisors (see below), whose sum is σ = 486708880896. Its totient is φ = 97488878400.

The previous prime is 234540521627. The next prime is 234540521671. The reversal of 234540521644 is 446125045432.

It is a junction number, because it is equal to n+sod(n) for n = 234540521597 and 234540521606.

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, 1854852 + ... + 1977259.

It is an arithmetic number, because the mean of its divisors is an integer number (10139768352).

Almost surely, 2^234540521644 is an apocalyptic number.

It is an amenable number.

234540521644 is an abundant number, since it is smaller than the sum of its proper divisors (252168359252).

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

234540521644 is a wasteful number, since it uses less digits than its factorization.

234540521644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832246 (or 3832244 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 234540521644 in words is "two hundred thirty-four billion, five hundred forty million, five hundred twenty-one thousand, six hundred forty-four".