18376949760 has 288 divisors, whose sum is σ = 63417634560. Its totient is φ = 4517265408.

The previous prime is 18376949713. The next prime is 18376949779. The reversal of 18376949760 is 6794967381.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 18376949694 and 18376949703.

It is a congruent number.

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, 25558681 + ... + 25559399.

It is an arithmetic number, because the mean of its divisors is an integer number (220200120).

Almost surely, 2^18376949760 is an apocalyptic number.

18376949760 is a gapful number since it is divisible by the number (10) 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 18376949760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31708817280).

18376949760 is an abundant number, since it is smaller than the sum of its proper divisors (45040684800).

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

18376949760 is an frugal number, since it uses more digits than its factorization.

18376949760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

It can be divided in two parts, 18376 and 949760, that added together give a triangular number (968136 = T₁₃₉₁).

The spelling of 18376949760 in words is "eighteen billion, three hundred seventy-six million, nine hundred forty-nine thousand, seven hundred sixty".