25049935476 has 96 divisors (see below), whose sum is σ = 67784169600. Its totient is φ = 7992541440.

The previous prime is 25049935451. The next prime is 25049935507. The reversal of 25049935476 is 67453994052.

25049935476 is a `hidden beast` number, since 2 + 5 + 0 + 4 + 9 + 93 + 547 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181315 + ... + 288053.

It is an arithmetic number, because the mean of its divisors is an integer number (706085100).

Almost surely, 2^25049935476 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 25049935476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33892084800).

25049935476 is an abundant number, since it is smaller than the sum of its proper divisors (42734234124).

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

25049935476 is a wasteful number, since it uses less digits than its factorization.

25049935476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106846 (or 106838 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 25049935476 in words is "twenty-five billion, forty-nine million, nine hundred thirty-five thousand, four hundred seventy-six".