25682065464 has 64 divisors (see below), whose sum is σ = 73728432000. Its totient is φ = 7372840320.

The previous prime is 25682065459. The next prime is 25682065477. The reversal of 25682065464 is 46456028652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2554999 + ... + 2565030.

It is an arithmetic number, because the mean of its divisors is an integer number (1152006750).

Almost surely, 2^25682065464 is an apocalyptic number.

25682065464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25682065464 is an abundant number, since it is smaller than the sum of its proper divisors (48046366536).

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

25682065464 is a wasteful number, since it uses less digits than its factorization.

25682065464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120068 (or 5120064 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 25682065464 in words is "twenty-five billion, six hundred eighty-two million, sixty-five thousand, four hundred sixty-four".