240565725625 has 45 divisors (see below), whose sum is σ = 314618070459. Its totient is φ = 183869268000.

The previous prime is 240565725623. The next prime is 240565725649. The reversal of 240565725625 is 526527565042.

The square root of 240565725625 is 490475.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 240159783721 + 405941904 = 490061^2 + 20148^2 .

It is not a de Polignac number, because 240565725625 - 2¹ = 240565725623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240565725623) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 282022699 + ... + 282023551.

Almost surely, 2^240565725625 is an apocalyptic number.

240565725625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

240565725625 is the 490475-th square number.

240565725625 is the 245238-th centered octagonal number.

It is an amenable number.

240565725625 is a deficient number, since it is larger than the sum of its proper divisors (74052344834).

240565725625 is an frugal number, since it uses more digits than its factorization.

240565725625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 49.

Multiplying 240565725625 by its sum of digits (49), we get a square (11787720555625 = 3433325²).

The spelling of 240565725625 in words is "two hundred forty billion, five hundred sixty-five million, seven hundred twenty-five thousand, six hundred twenty-five".