18092940100 has 27 divisors (see below), whose sum is σ = 39264599101. Its totient is φ = 7236638000.

The previous prime is 18092940079. The next prime is 18092940101. The reversal of 18092940100 is 104929081.

The square root of 18092940100 is 134510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6513458436 + 11579481664 = 80706^2 + 107608^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18092940101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1338375 + ... + 1351825.

Almost surely, 2^18092940100 is an apocalyptic number.

18092940100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18092940100 is the 134510-th square number.

It is an amenable number.

18092940100 is an abundant number, since it is smaller than the sum of its proper divisors (21171659001).

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

18092940100 is an frugal number, since it uses more digits than its factorization.

18092940100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26916 (or 13458 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

Multiplying 18092940100 by its product of nonzero digits (5184), we get a square (93793801478400 = 9684720²).

The spelling of 18092940100 in words is "eighteen billion, ninety-two million, nine hundred forty thousand, one hundred".