25944630162 has 64 divisors (see below), whose sum is σ = 57500112384. Its totient is φ = 7738093440.

The previous prime is 25944630157. The next prime is 25944630181. The reversal of 25944630162 is 26103644952.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8457753 + ... + 8460819.

It is an arithmetic number, because the mean of its divisors is an integer number (898439256).

Almost surely, 2^25944630162 is an apocalyptic number.

25944630162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25944630162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28750056192).

25944630162 is an abundant number, since it is smaller than the sum of its proper divisors (31555482222).

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

25944630162 is a wasteful number, since it uses less digits than its factorization.

25944630162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 25944630162 in words is "twenty-five billion, nine hundred forty-four million, six hundred thirty thousand, one hundred sixty-two".