18030838896 has 120 divisors (see below), whose sum is σ = 60205082640. Its totient is φ = 5151662208.

The previous prime is 18030838849. The next prime is 18030838907. The reversal of 18030838896 is 69883803081.

It is a happy number.

It is a super-2 number, since 2×18030838896² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 404731 + ... + 447066.

It is an arithmetic number, because the mean of its divisors is an integer number (501709022).

Almost surely, 2^18030838896 is an apocalyptic number.

18030838896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18030838896 is an abundant number, since it is smaller than the sum of its proper divisors (42174243744).

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

18030838896 is a wasteful number, since it uses less digits than its factorization.

18030838896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851828 (or 851809 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 18030838896 in words is "eighteen billion, thirty million, eight hundred thirty-eight thousand, eight hundred ninety-six".