18497445120 has 1080 divisors, whose sum is σ = 84246468768. Its totient is φ = 3832012800.

The previous prime is 18497445097. The next prime is 18497445143. The reversal of 18497445120 is 2154479481.

18497445120 is a `hidden beast` number, since 1 + 8 + 4 + 97 + 44 + 512 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (18497445097) and next prime (18497445143).

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 55883355 + ... + 55883685.

Almost surely, 2^18497445120 is an apocalyptic number.

18497445120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18497445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42123234384).

18497445120 is an abundant number, since it is smaller than the sum of its proper divisors (65749023648).

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

18497445120 is a wasteful number, since it uses less digits than its factorization.

18497445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 18497445120 in words is "eighteen billion, four hundred ninety-seven million, four hundred forty-five thousand, one hundred twenty".