18582200040 has 32 divisors (see below), whose sum is σ = 55746600480. Its totient is φ = 4955253312.

The previous prime is 18582200009. The next prime is 18582200057. The reversal of 18582200040 is 4000228581.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 18582199980 and 18582200007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77425714 + ... + 77425953.

It is an arithmetic number, because the mean of its divisors is an integer number (1742081265).

Almost surely, 2^18582200040 is an apocalyptic number.

18582200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18582200040 is an abundant number, since it is smaller than the sum of its proper divisors (37164400440).

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

18582200040 is a wasteful number, since it uses less digits than its factorization.

18582200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154851681 (or 154851677 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 18582200040 in words is "eighteen billion, five hundred eighty-two million, two hundred thousand, forty".