25424092992 has 84 divisors (see below), whose sum is σ = 69508347648. Its totient is φ = 8201260800.

The previous prime is 25424092963. The next prime is 25424092997. The reversal of 25424092992 is 29929042452.

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 (25424092997) 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 11 ways as a sum of consecutive naturals, for example, 115617 + ... + 253407.

Almost surely, 2^25424092992 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 25424092992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34754173824).

25424092992 is an abundant number, since it is smaller than the sum of its proper divisors (44084254656).

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

25424092992 is a wasteful number, since it uses less digits than its factorization.

25424092992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137868 (or 137827 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 25424092992 in words is "twenty-five billion, four hundred twenty-four million, ninety-two thousand, nine hundred ninety-two".