718924900000 has 144 divisors (see below), whose sum is σ = 1873186092792. Its totient is φ = 270653440000.

The previous prime is 718924899967. The next prime is 718924900013. The reversal of 718924900000 is 9429817.

It can be written as a sum of positive squares in 12 ways, for example, as 220325094544 + 498599805456 = 469388^2 + 706116^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1488552 + ... + 1911448.

Almost surely, 2^718924900000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718924900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936593046396).

718924900000 is an abundant number, since it is smaller than the sum of its proper divisors (1154261192792).

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

718924900000 is an equidigital number, since it uses as much as digits as its factorization.

718924900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422949 (or 422921 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 718924900000 in words is "seven hundred eighteen billion, nine hundred twenty-four million, nine hundred thousand".