25434942360 has 128 divisors (see below), whose sum is σ = 80886340800. Its totient is φ = 6376325120.

The previous prime is 25434942347. The next prime is 25434942431. The reversal of 25434942360 is 6324943452.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1888450 + ... + 1901870.

Almost surely, 2^25434942360 is an apocalyptic number.

25434942360 is a gapful number since it is divisible by the number (20) 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 25434942360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40443170400).

25434942360 is an abundant number, since it is smaller than the sum of its proper divisors (55451398440).

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

25434942360 is a wasteful number, since it uses less digits than its factorization.

25434942360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381 (or 14377 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 25434942360 in words is "twenty-five billion, four hundred thirty-four million, nine hundred forty-two thousand, three hundred sixty".