25954633272 has 32 divisors (see below), whose sum is σ = 64987534080. Its totient is φ = 8638084320.

The previous prime is 25954633247. The next prime is 25954633279. The reversal of 25954633272 is 27233645952.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25954633279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825504 + ... + 856367.

It is an arithmetic number, because the mean of its divisors is an integer number (2030860440).

Almost surely, 2^25954633272 is an apocalyptic number.

It is an amenable number.

25954633272 is an abundant number, since it is smaller than the sum of its proper divisors (39032900808).

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

25954633272 is a wasteful number, since it uses less digits than its factorization.

25954633272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682523 (or 1682519 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 48.

The spelling of 25954633272 in words is "twenty-five billion, nine hundred fifty-four million, six hundred thirty-three thousand, two hundred seventy-two".