240879732025 has 27 divisors (see below), whose sum is σ = 301935759789. Its totient is φ = 190632630720.

The previous prime is 240879732001. The next prime is 240879732031. The reversal of 240879732025 is 520237978042.

The square root of 240879732025 is 490795.

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

It can be written as a sum of positive squares in 4 ways, for example, as 12078229801 + 228801502224 = 109901^2 + 478332^2 .

It is not a de Polignac number, because 240879732025 - 2⁵ = 240879731993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240879732025.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 252758949 + ... + 252759901.

Almost surely, 2^240879732025 is an apocalyptic number.

240879732025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

240879732025 is the 490795-th square number.

240879732025 is the 245398-th centered octagonal number.

It is an amenable number.

240879732025 is a deficient number, since it is larger than the sum of its proper divisors (61056027764).

240879732025 is an frugal number, since it uses more digits than its factorization.

240879732025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

Multiplying 240879732025 by its sum of digits (49), we get a square (11803106869225 = 3435565²).

The spelling of 240879732025 in words is "two hundred forty billion, eight hundred seventy-nine million, seven hundred thirty-two thousand, twenty-five".