234002404140 has 48 divisors (see below), whose sum is σ = 655301495520. Its totient is φ = 62391616000.

The previous prime is 234002404121. The next prime is 234002404183. The reversal of 234002404140 is 41404200432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 234002404140.

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, 141526 + ... + 698594.

It is an arithmetic number, because the mean of its divisors is an integer number (13652114490).

Almost surely, 2^234002404140 is an apocalyptic number.

234002404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234002404140 is an abundant number, since it is smaller than the sum of its proper divisors (421299091380).

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

234002404140 is a wasteful number, since it uses less digits than its factorization.

234002404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564082 (or 564080 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 234002404140 its reverse (41404200432), we get a palindrome (275406604572).

The spelling of 234002404140 in words is "two hundred thirty-four billion, two million, four hundred four thousand, one hundred forty".