25451227046 has 16 divisors (see below), whose sum is σ = 43632722976. Its totient is φ = 10907156736.

The previous prime is 25451227007. The next prime is 25451227079. The reversal of 25451227046 is 64072215452.

It is a super-2 number, since 2×25451227046² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 552950 + ... + 597206.

It is an arithmetic number, because the mean of its divisors is an integer number (2727045186).

Almost surely, 2^25451227046 is an apocalyptic number.

25451227046 is a deficient number, since it is larger than the sum of its proper divisors (18181495930).

25451227046 is a wasteful number, since it uses less digits than its factorization.

25451227046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85343.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 25451227046 in words is "twenty-five billion, four hundred fifty-one million, two hundred twenty-seven thousand, forty-six".