234402040 has 32 divisors (see below), whose sum is σ = 537360480. Its totient is φ = 91990912.

The previous prime is 234402037. The next prime is 234402053. The reversal of 234402040 is 40204432.

It is a junction number, because it is equal to n+sod(n) for n = 234401999 and 234402017.

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, 53164 + ... + 57403.

It is an arithmetic number, because the mean of its divisors is an integer number (16792515).

Almost surely, 2^234402040 is an apocalyptic number.

234402040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234402040 is an abundant number, since it is smaller than the sum of its proper divisors (302958440).

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

234402040 is a wasteful number, since it uses less digits than its factorization.

234402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110631 (or 110627 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 234402040 is about 15310.1939896267. The cubic root of 234402040 is about 616.5767283818.

Adding to 234402040 its reverse (40204432), we get a palindrome (274606472).

The spelling of 234402040 in words is "two hundred thirty-four million, four hundred two thousand, forty".