25051790850 has 48 divisors (see below), whose sum is σ = 62138076480. Its totient is φ = 6679441600.

The previous prime is 25051790809. The next prime is 25051790851. The reversal of 25051790850 is 5809715052.

It is not an unprimeable number, because it can be changed into a prime (25051790851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1810960 + ... + 1824740.

It is an arithmetic number, because the mean of its divisors is an integer number (1294543260).

Almost surely, 2^25051790850 is an apocalyptic number.

25051790850 is an abundant number, since it is smaller than the sum of its proper divisors (37086285630).

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

25051790850 is a wasteful number, since it uses less digits than its factorization.

25051790850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25915 (or 25910 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 25051790850 in words is "twenty-five billion, fifty-one million, seven hundred ninety thousand, eight hundred fifty".