240561172974 has 16 divisors (see below), whose sum is σ = 483780482640. Its totient is φ = 79744034880.

The previous prime is 240561172967. The next prime is 240561172979. The reversal of 240561172974 is 479271165042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240561172979) 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, 110754519 + ... + 110756690.

It is an arithmetic number, because the mean of its divisors is an integer number (30236280165).

Almost surely, 2^240561172974 is an apocalyptic number.

240561172974 is an abundant number, since it is smaller than the sum of its proper divisors (243219309666).

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

240561172974 is a wasteful number, since it uses less digits than its factorization.

240561172974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221511395.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 240561172974 in words is "two hundred forty billion, five hundred sixty-one million, one hundred seventy-two thousand, nine hundred seventy-four".