25240790506 has 8 divisors (see below), whose sum is σ = 37867902624. Its totient is φ = 12618156300.

The previous prime is 25240790501. The next prime is 25240790507. The reversal of 25240790506 is 60509704252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25240790501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105350 + ... + 1127953.

It is an arithmetic number, because the mean of its divisors is an integer number (4733487828).

Almost surely, 2^25240790506 is an apocalyptic number.

25240790506 is a deficient number, since it is larger than the sum of its proper divisors (12627112118).

25240790506 is a wasteful number, since it uses less digits than its factorization.

25240790506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238956.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 25240790506 in words is "twenty-five billion, two hundred forty million, seven hundred ninety thousand, five hundred six".