240032040 has 64 divisors (see below), whose sum is σ = 737674560. Its totient is φ = 62446080.

The previous prime is 240031991. The next prime is 240032041. The reversal of 240032040 is 40230042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (240032041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19474 + ... + 29313.

It is an arithmetic number, because the mean of its divisors is an integer number (11526165).

Almost surely, 2^240032040 is an apocalyptic number.

240032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240032040 is an abundant number, since it is smaller than the sum of its proper divisors (497642520).

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

240032040 is a wasteful number, since it uses less digits than its factorization.

240032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48842 (or 48838 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 240032040 is about 15492.9674368728. The cubic root of 240032040 is about 621.4741543295.

Adding to 240032040 its reverse (40230042), we get a palindrome (280262082).

The spelling of 240032040 in words is "two hundred forty million, thirty-two thousand, forty".