234367640 has 32 divisors (see below), whose sum is σ = 567892080. Its totient is φ = 86535552.

The previous prime is 234367619. The next prime is 234367691. The reversal of 234367640 is 46763432.

234367640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 234367640.

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, 224834 + ... + 225873.

Almost surely, 2^234367640 is an apocalyptic number.

234367640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234367640 is an abundant number, since it is smaller than the sum of its proper divisors (333524440).

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

234367640 is a wasteful number, since it uses less digits than its factorization.

234367640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450731 (or 450727 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 234367640 is about 15309.0705139143. The cubic root of 234367640 is about 616.5465647121.

The spelling of 234367640 in words is "two hundred thirty-four million, three hundred sixty-seven thousand, six hundred forty".