18380610441400 has 24 divisors (see below), whose sum is σ = 42734919276720. Its totient is φ = 7352244176480.

The previous prime is 18380610441367. The next prime is 18380610441461. The reversal of 18380610441400 is 414401608381.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 45951525904 + ... + 45951526303.

It is an arithmetic number, because the mean of its divisors is an integer number (1780621636530).

Almost surely, 2^{18380610441400} is an apocalyptic number.

18380610441400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18380610441400 is an abundant number, since it is smaller than the sum of its proper divisors (24354308835320).

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

18380610441400 is a wasteful number, since it uses less digits than its factorization.

18380610441400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91903052223 (or 91903052214 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 18380610441400 in words is "eighteen trillion, three hundred eighty billion, six hundred ten million, four hundred forty-one thousand, four hundred".