18844925952 has 240 divisors, whose sum is σ = 56055162240. Its totient is φ = 5596250112.

The previous prime is 18844925923. The next prime is 18844925963. The reversal of 18844925952 is 25952944881.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 18844925892 and 18844925901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15875503 + ... + 15876689.

It is an arithmetic number, because the mean of its divisors is an integer number (233563176).

Almost surely, 2^18844925952 is an apocalyptic number.

18844925952 is a gapful number since it is divisible by the number (12) 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 18844925952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28027581120).

18844925952 is an abundant number, since it is smaller than the sum of its proper divisors (37210236288).

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

18844925952 is a wasteful number, since it uses less digits than its factorization.

18844925952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1228 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 57.

The spelling of 18844925952 in words is "eighteen billion, eight hundred forty-four million, nine hundred twenty-five thousand, nine hundred fifty-two".