25054396416 has 720 divisors, whose sum is σ = 91600803840. Its totient is φ = 6688604160.

The previous prime is 25054396403. The next prime is 25054396421. The reversal of 25054396416 is 61469345052.

25054396416 is a `hidden beast` number, since 2 + 5 + 0 + 543 + 96 + 4 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 808206321 + ... + 808206351.

Almost surely, 2^25054396416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25054396416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45800401920).

25054396416 is an abundant number, since it is smaller than the sum of its proper divisors (66546407424).

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

25054396416 is an frugal number, since it uses more digits than its factorization.

25054396416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 25054396416 in words is "twenty-five billion, fifty-four million, three hundred ninety-six thousand, four hundred sixteen".