25793002404 has 243 divisors, whose sum is σ = 74162853219. Its totient is φ = 7554718080.

The previous prime is 25793002369. The next prime is 25793002409. The reversal of 25793002404 is 40420039752.

The square root of 25793002404 is 160602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3307400100 + 22485602304 = 57510^2 + 149952^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25793002409) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 363281689 + ... + 363281759.

Almost surely, 2^25793002404 is an apocalyptic number.

25793002404 is the 160602-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25793002404

25793002404 is an abundant number, since it is smaller than the sum of its proper divisors (48369850815).

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

25793002404 is a wasteful number, since it uses less digits than its factorization.

25793002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Multiplying 25793002404 by its sum of digits (36), we get a square (928548086544 = 963612²).

25793002404 divided by its sum of digits (36) gives a square (716472289 = 26767²).

The spelling of 25793002404 in words is "twenty-five billion, seven hundred ninety-three million, two thousand, four hundred four".