240712128 has 56 divisors (see below), whose sum is σ = 707654160. Its totient is φ = 80236800.

The previous prime is 240712127. The next prime is 240712139. The reversal of 240712128 is 821217042.

240712128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240712127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67923 + ... + 71378.

Almost surely, 2^240712128 is an apocalyptic number.

It is an amenable number.

240712128 is an abundant number, since it is smaller than the sum of its proper divisors (466942032).

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

240712128 is a wasteful number, since it uses less digits than its factorization.

240712128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139322 (or 139306 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 240712128 is about 15514.9001930402. The cubic root of 240712128 is about 622.0605462786.

It can be divided in two parts, 2407 and 12128, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 240712128 in words is "two hundred forty million, seven hundred twelve thousand, one hundred twenty-eight".