25477476460 has 12 divisors (see below), whose sum is σ = 53502700608. Its totient is φ = 10190990576.

The previous prime is 25477476421. The next prime is 25477476469. The reversal of 25477476460 is 6467477452.

It is a junction number, because it is equal to n+sod(n) for n = 25477476398 and 25477476407.

It is not an unprimeable number, because it can be changed into a prime (25477476469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636936892 + ... + 636936931.

It is an arithmetic number, because the mean of its divisors is an integer number (4458558384).

Almost surely, 2^25477476460 is an apocalyptic number.

25477476460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25477476460 is an abundant number, since it is smaller than the sum of its proper divisors (28025224148).

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

25477476460 is a wasteful number, since it uses less digits than its factorization.

25477476460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273873832 (or 1273873830 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 25477476460 in words is "twenty-five billion, four hundred seventy-seven million, four hundred seventy-six thousand, four hundred sixty".