18758798740 has 48 divisors (see below), whose sum is σ = 44360999424. Its totient is φ = 6601334400.

The previous prime is 18758798713. The next prime is 18758798749. The reversal of 18758798740 is 4789785781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18758798749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368459 + ... + 1382098.

It is an arithmetic number, because the mean of its divisors is an integer number (924187488).

Almost surely, 2^18758798740 is an apocalyptic number.

18758798740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18758798740 is an abundant number, since it is smaller than the sum of its proper divisors (25602200684).

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

18758798740 is a wasteful number, since it uses less digits than its factorization.

18758798740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750608 (or 2750606 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 64.

The spelling of 18758798740 in words is "eighteen billion, seven hundred fifty-eight million, seven hundred ninety-eight thousand, seven hundred forty".