25495735936 has 64 divisors (see below), whose sum is σ = 55610652960. Its totient is φ = 11546956800.

The previous prime is 25495735933. The next prime is 25495735939. The reversal of 25495735936 is 63953759452.

It is an interprime number because it is at equal distance from previous prime (25495735933) and next prime (25495735939).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (25495735933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357331 + ... + 422701.

Almost surely, 2^25495735936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25495735936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27805326480).

25495735936 is an abundant number, since it is smaller than the sum of its proper divisors (30114917024).

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

25495735936 is a wasteful number, since it uses less digits than its factorization.

25495735936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65673 (or 65661 counting only the distinct ones).

The product of its digits is 30618000, while the sum is 58.

The spelling of 25495735936 in words is "twenty-five billion, four hundred ninety-five million, seven hundred thirty-five thousand, nine hundred thirty-six".