25098728284 has 24 divisors (see below), whose sum is σ = 50278848480. Its totient is φ = 10739156736.

The previous prime is 25098728279. The next prime is 25098728293. The reversal of 25098728284 is 48282789052.

It is a super-2 number, since 2×25098728284² (a number of 22 digits) contains 22 as substring.

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, 709129 + ... + 743680.

It is an arithmetic number, because the mean of its divisors is an integer number (2094952020).

Almost surely, 2^25098728284 is an apocalyptic number.

It is an amenable number.

25098728284 is an abundant number, since it is smaller than the sum of its proper divisors (25180120196).

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

25098728284 is a wasteful number, since it uses less digits than its factorization.

25098728284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453437 (or 1453435 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 25098728284 in words is "twenty-five billion, ninety-eight million, seven hundred twenty-eight thousand, two hundred eighty-four".