25727484426 has 16 divisors (see below), whose sum is σ = 58805678784. Its totient is φ = 7350709824.

The previous prime is 25727484421. The next prime is 25727484487. The reversal of 25727484426 is 62448472752.

It is not an unprimeable number, because it can be changed into a prime (25727484421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306279535 + ... + 306279618.

It is an arithmetic number, because the mean of its divisors is an integer number (3675354924).

Almost surely, 2^25727484426 is an apocalyptic number.

25727484426 is an abundant number, since it is smaller than the sum of its proper divisors (33078194358).

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

25727484426 is a wasteful number, since it uses less digits than its factorization.

25727484426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612559165.

The product of its digits is 6021120, while the sum is 51.

The spelling of 25727484426 in words is "twenty-five billion, seven hundred twenty-seven million, four hundred eighty-four thousand, four hundred twenty-six".