25198297482 has 16 divisors (see below), whose sum is σ = 50962849920. Its totient is φ = 8305056672.

The previous prime is 25198297391. The next prime is 25198297493. The reversal of 25198297482 is 28479289152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23593378 + ... + 23594445.

It is an arithmetic number, because the mean of its divisors is an integer number (3185178120).

Almost surely, 2^25198297482 is an apocalyptic number.

25198297482 is an abundant number, since it is smaller than the sum of its proper divisors (25764552438).

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

25198297482 is a wasteful number, since it uses less digits than its factorization.

25198297482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47187917.

The product of its digits is 5806080, while the sum is 57.

The spelling of 25198297482 in words is "twenty-five billion, one hundred ninety-eight million, two hundred ninety-seven thousand, four hundred eighty-two".