25120419576 has 96 divisors (see below), whose sum is σ = 73201242240. Its totient is φ = 7162825152.

The previous prime is 25120419539. The next prime is 25120419587. The reversal of 25120419576 is 67591402152.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570295 + ... + 612761.

It is an arithmetic number, because the mean of its divisors is an integer number (762512940).

Almost surely, 2^25120419576 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 25120419576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36600621120).

25120419576 is an abundant number, since it is smaller than the sum of its proper divisors (48080822664).

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

25120419576 is a wasteful number, since it uses less digits than its factorization.

25120419576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42993 (or 42982 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 25120419576 in words is "twenty-five billion, one hundred twenty million, four hundred nineteen thousand, five hundred seventy-six".