240854776940 has 24 divisors (see below), whose sum is σ = 505804387200. Its totient is φ = 96340128768.

The previous prime is 240854776931. The next prime is 240854776963. The reversal of 240854776940 is 49677458042.

It is a happy number.

It is a super-2 number, since 2×240854776940² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 1781861 + ... + 1912259.

It is an arithmetic number, because the mean of its divisors is an integer number (21075182800).

Almost surely, 2^240854776940 is an apocalyptic number.

240854776940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240854776940 is an abundant number, since it is smaller than the sum of its proper divisors (264949610260).

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

240854776940 is a wasteful number, since it uses less digits than its factorization.

240854776940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222761 (or 222759 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 240854776940 in words is "two hundred forty billion, eight hundred fifty-four million, seven hundred seventy-six thousand, nine hundred forty".