18748620000 has 720 divisors, whose sum is σ = 77094409392. Its totient is φ = 4270080000.

The previous prime is 18748619999. The next prime is 18748620061. The reversal of 18748620000 is 2684781.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 33659722 + ... + 33660278.

Almost surely, 2^18748620000 is an apocalyptic number.

18748620000 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 18748620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38547204696).

18748620000 is an abundant number, since it is smaller than the sum of its proper divisors (58345789392).

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

18748620000 is a wasteful number, since it uses less digits than its factorization.

18748620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 18748620000 in words is "eighteen billion, seven hundred forty-eight million, six hundred twenty thousand".