25382857152 has 28 divisors (see below), whose sum is σ = 67158810056. Its totient is φ = 8460952320.

The previous prime is 25382857127. The next prime is 25382857153. The reversal of 25382857152 is 25175828352.

It is a super-2 number, since 2×25382857152² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25382857153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66100999 + ... + 66101382.

Almost surely, 2^25382857152 is an apocalyptic number.

It is an amenable number.

25382857152 is an abundant number, since it is smaller than the sum of its proper divisors (41775952904).

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

25382857152 is a wasteful number, since it uses less digits than its factorization.

25382857152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132202396 (or 132202386 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The spelling of 25382857152 in words is "twenty-five billion, three hundred eighty-two million, eight hundred fifty-seven thousand, one hundred fifty-two".