234252640 has 24 divisors (see below), whose sum is σ = 553422240. Its totient is φ = 93700992.

The previous prime is 234252637. The next prime is 234252659. The reversal of 234252640 is 46252432.

It is a junction number, because it is equal to n+sod(n) for n = 234252599 and 234252608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731880 + ... + 732199.

It is an arithmetic number, because the mean of its divisors is an integer number (23059260).

Almost surely, 2^234252640 is an apocalyptic number.

234252640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234252640 is an abundant number, since it is smaller than the sum of its proper divisors (319169600).

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

234252640 is a wasteful number, since it uses less digits than its factorization.

234252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464094 (or 1464086 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 234252640 is about 15305.3141098117. The cubic root of 234252640 is about 616.4457054310.

The spelling of 234252640 in words is "two hundred thirty-four million, two hundred fifty-two thousand, six hundred forty".