25422046461 has 24 divisors (see below), whose sum is σ = 41974792704. Its totient is φ = 14524031520.

The previous prime is 25422046459. The next prime is 25422046477. The reversal of 25422046461 is 16464022452.

25422046461 is a `hidden beast` number, since 2 + 5 + 4 + 2 + 2 + 0 + 4 + 646 + 1 = 666.

It is not a de Polignac number, because 25422046461 - 2¹ = 25422046459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25422046451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307795 + ... + 381551.

It is an arithmetic number, because the mean of its divisors is an integer number (1748949696).

Almost surely, 2^25422046461 is an apocalyptic number.

25422046461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25422046461 is a deficient number, since it is larger than the sum of its proper divisors (16552746243).

25422046461 is a wasteful number, since it uses less digits than its factorization.

25422046461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79241 (or 79238 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 25422046461 in words is "twenty-five billion, four hundred twenty-two million, forty-six thousand, four hundred sixty-one".