25020102484 has 24 divisors (see below), whose sum is σ = 47157594120. Its totient is φ = 11546680704.

The previous prime is 25020102479. The next prime is 25020102509. The reversal of 25020102484 is 48420102052.

It can be written as a sum of positive squares in 4 ways, for example, as 46621584 + 24973480900 = 6828^2 + 158030^2 .

It is a congruent number.

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, 1012662 + ... + 1037074.

It is an arithmetic number, because the mean of its divisors is an integer number (1964899755).

Almost surely, 2^25020102484 is an apocalyptic number.

It is an amenable number.

25020102484 is a deficient number, since it is larger than the sum of its proper divisors (22137491636).

25020102484 is a wasteful number, since it uses less digits than its factorization.

25020102484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44139 (or 44137 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The spelling of 25020102484 in words is "twenty-five billion, twenty million, one hundred two thousand, four hundred eighty-four".