235161240 has 64 divisors (see below), whose sum is σ = 722705760. Its totient is φ = 61178880.

The previous prime is 235161239. The next prime is 235161253. The reversal of 235161240 is 42161532.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 235161240.

It is a congruent number.

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, 18979 + ... + 28818.

Almost surely, 2^235161240 is an apocalyptic number.

235161240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235161240 is an abundant number, since it is smaller than the sum of its proper divisors (487544520).

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

235161240 is a wasteful number, since it uses less digits than its factorization.

235161240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47852 (or 47848 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 235161240 is about 15334.9678838920. The cubic root of 235161240 is about 617.2416836028.

The spelling of 235161240 in words is "two hundred thirty-five million, one hundred sixty-one thousand, two hundred forty".