240451328 has 36 divisors (see below), whose sum is σ = 516890808. Its totient is φ = 110976000.

The previous prime is 240451297. The next prime is 240451331. The reversal of 240451328 is 823154042.

It is a happy number.

240451328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240451328² = 115633682273927168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240451328.

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, 32798 + ... + 39453.

It is an arithmetic number, because the mean of its divisors is an integer number (14358078).

Almost surely, 2^240451328 is an apocalyptic number.

It is an amenable number.

240451328 is an abundant number, since it is smaller than the sum of its proper divisors (276439480).

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

240451328 is an equidigital number, since it uses as much as digits as its factorization.

240451328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72280 (or 72266 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 240451328 is about 15506.4930916052. The cubic root of 240451328 is about 621.8358075449.

The spelling of 240451328 in words is "two hundred forty million, four hundred fifty-one thousand, three hundred twenty-eight".