25732427072 has 112 divisors (see below), whose sum is σ = 56356300800. Its totient is φ = 11560550400.

The previous prime is 25732427057. The next prime is 25732427081. The reversal of 25732427072 is 27072423752.

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, 40143872 + ... + 40144512.

Almost surely, 2^25732427072 is an apocalyptic number.

25732427072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25732427072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28178150400).

25732427072 is an abundant number, since it is smaller than the sum of its proper divisors (30623873728).

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

25732427072 is a wasteful number, since it uses less digits than its factorization.

25732427072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 41.

The spelling of 25732427072 in words is "twenty-five billion, seven hundred thirty-two million, four hundred twenty-seven thousand, seventy-two".