25097404416 has 304 divisors, whose sum is σ = 78919873536. Its totient is φ = 6945767424.

The previous prime is 25097404357. The next prime is 25097404459. The reversal of 25097404416 is 61440479052.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258736080 + ... + 258736176.

Almost surely, 2^25097404416 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 25097404416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39459936768).

25097404416 is an abundant number, since it is smaller than the sum of its proper divisors (53822469120).

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

25097404416 is an frugal number, since it uses more digits than its factorization.

25097404416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 25097404416 in words is "twenty-five billion, ninety-seven million, four hundred four thousand, four hundred sixteen".