18382103950 has 96 divisors (see below), whose sum is σ = 39992636736. Its totient is φ = 6155535360.

The previous prime is 18382103941. The next prime is 18382103963. The reversal of 18382103950 is 5930128381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4320024 + ... + 4324276.

It is an arithmetic number, because the mean of its divisors is an integer number (416589966).

Almost surely, 2^18382103950 is an apocalyptic number.

18382103950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18382103950 is an abundant number, since it is smaller than the sum of its proper divisors (21610532786).

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

18382103950 is a wasteful number, since it uses less digits than its factorization.

18382103950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4553 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 18382103950 in words is "eighteen billion, three hundred eighty-two million, one hundred three thousand, nine hundred fifty".