18152358040 has 128 divisors (see below), whose sum is σ = 42724765440. Its totient is φ = 6935040000.

The previous prime is 18152357983. The next prime is 18152358097. The reversal of 18152358040 is 4085325181.

It is an interprime number because it is at equal distance from previous prime (18152357983) and next prime (18152358097).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42116625 + ... + 42117055.

It is an arithmetic number, because the mean of its divisors is an integer number (333787230).

Almost surely, 2^18152358040 is an apocalyptic number.

18152358040 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 18152358040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21362382720).

18152358040 is an abundant number, since it is smaller than the sum of its proper divisors (24572407400).

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

18152358040 is a wasteful number, since it uses less digits than its factorization.

18152358040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 18152358040 in words is "eighteen billion, one hundred fifty-two million, three hundred fifty-eight thousand, forty".