25456066002 has 12 divisors (see below), whose sum is σ = 55154809710. Its totient is φ = 8485355328.

The previous prime is 25456065997. The next prime is 25456066007. The reversal of 25456066002 is 20066065452.

25456066002 is a `hidden beast` number, since 2 + 5 + 45 + 6 + 0 + 6 + 600 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25456065997) and next prime (25456066007).

It can be written as a sum of positive squares in only one way, i.e., 18840033081 + 6616032921 = 137259^2 + 81339^2 .

It is a super-2 number, since 2×25456066002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25456066007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 707112927 + ... + 707112962.

Almost surely, 2^25456066002 is an apocalyptic number.

25456066002 is an abundant number, since it is smaller than the sum of its proper divisors (29698743708).

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

25456066002 is a wasteful number, since it uses less digits than its factorization.

25456066002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414225897 (or 1414225894 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 25456066002 in words is "twenty-five billion, four hundred fifty-six million, sixty-six thousand, two".