25436341464 has 64 divisors (see below), whose sum is σ = 65670359040. Its totient is φ = 8201748480.

The previous prime is 25436341451. The next prime is 25436341481. The reversal of 25436341464 is 46414363452.

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 15 ways as a sum of consecutive naturals, for example, 2153944 + ... + 2165720.

It is an arithmetic number, because the mean of its divisors is an integer number (1026099360).

Almost surely, 2^25436341464 is an apocalyptic number.

25436341464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25436341464 is an abundant number, since it is smaller than the sum of its proper divisors (40234017576).

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

25436341464 is a wasteful number, since it uses less digits than its factorization.

25436341464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14720 (or 14716 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The spelling of 25436341464 in words is "twenty-five billion, four hundred thirty-six million, three hundred forty-one thousand, four hundred sixty-four".