240940033640 has 32 divisors (see below), whose sum is σ = 542217208680. Its totient is φ = 96357856512.

The previous prime is 240940033627. The next prime is 240940033679. The reversal of 240940033640 is 46330049042.

It can be written as a sum of positive squares in 4 ways, for example, as 238923484804 + 2016548836 = 488798^2 + 44906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240940033640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351419 + ... + 778058.

Almost surely, 2^240940033640 is an apocalyptic number.

240940033640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240940033640 is an abundant number, since it is smaller than the sum of its proper divisors (301277175040).

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

240940033640 is a wasteful number, since it uses less digits than its factorization.

240940033640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134821 (or 1134817 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 240940033640 in words is "two hundred forty billion, nine hundred forty million, thirty-three thousand, six hundred forty".