18737383783044 has 48 divisors (see below), whose sum is σ = 43755811424640. Its totient is φ = 6240760431360.

The previous prime is 18737383783043. The next prime is 18737383783091. The reversal of 18737383783044 is 44038738373781.

It is not an unprimeable number, because it can be changed into a prime (18737383783043) 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, 107864242 + ... + 108037814.

It is an arithmetic number, because the mean of its divisors is an integer number (911579404680).

Almost surely, 2^{18737383783044} is an apocalyptic number.

It is an amenable number.

18737383783044 is an abundant number, since it is smaller than the sum of its proper divisors (25018427641596).

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

18737383783044 is a wasteful number, since it uses less digits than its factorization.

18737383783044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180780 (or 180778 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 66.

The spelling of 18737383783044 in words is "eighteen trillion, seven hundred thirty-seven billion, three hundred eighty-three million, seven hundred eighty-three thousand, forty-four".