25470641028 has 48 divisors (see below), whose sum is σ = 67936619520. Its totient is φ = 7275728544.

The previous prime is 25470640999. The next prime is 25470641069. The reversal of 25470641028 is 82014607452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382375 + ... + 444017.

It is an arithmetic number, because the mean of its divisors is an integer number (1415346240).

Almost surely, 2^25470641028 is an apocalyptic number.

25470641028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25470641028 is an abundant number, since it is smaller than the sum of its proper divisors (42465978492).

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

25470641028 is a wasteful number, since it uses less digits than its factorization.

25470641028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66576 (or 66574 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 25470641028 in words is "twenty-five billion, four hundred seventy million, six hundred forty-one thousand, twenty-eight".