18425400336 has 60 divisors (see below), whose sum is σ = 58932037632. Its totient is φ = 5264399808.

The previous prime is 18425400317. The next prime is 18425400337. The reversal of 18425400336 is 63300452481.

18425400336 is a `hidden beast` number, since 1 + 84 + 2 + 540 + 0 + 3 + 36 = 666.

It is a super-4 number, since 4×18425400336⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18425400336.

It is not an unprimeable number, because it can be changed into a prime (18425400337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9138576 + ... + 9140591.

Almost surely, 2^18425400336 is an apocalyptic number.

18425400336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18425400336 is an abundant number, since it is smaller than the sum of its proper divisors (40506637296).

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

18425400336 is a wasteful number, since it uses less digits than its factorization.

18425400336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18279188 (or 18279179 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 18425400336 in words is "eighteen billion, four hundred twenty-five million, four hundred thousand, three hundred thirty-six".