25902481470 has 64 divisors (see below), whose sum is σ = 64378347264. Its totient is φ = 6665379840.

The previous prime is 25902481463. The next prime is 25902481499. The reversal of 25902481470 is 7418420952.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13891 + ... + 228030.

It is an arithmetic number, because the mean of its divisors is an integer number (1005911676).

Almost surely, 2^25902481470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25902481470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32189173632).

25902481470 is an abundant number, since it is smaller than the sum of its proper divisors (38475865794).

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

25902481470 is a wasteful number, since it uses less digits than its factorization.

25902481470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242057.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 25902481470 in words is "twenty-five billion, nine hundred two million, four hundred eighty-one thousand, four hundred seventy".