18122584000 has 56 divisors (see below), whose sum is σ = 44880599088. Its totient is φ = 7249030400.

The previous prime is 18122583961. The next prime is 18122584003. The reversal of 18122584000 is 48522181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18122584003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124662 + ... + 1140661.

Almost surely, 2^18122584000 is an apocalyptic number.

18122584000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18122584000 is an abundant number, since it is smaller than the sum of its proper divisors (26758015088).

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

18122584000 is an equidigital number, since it uses as much as digits as its factorization.

18122584000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265350 (or 2265330 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

It can be divided in two parts, 181225 and 84000, that added together give a square (265225 = 515²).

The spelling of 18122584000 in words is "eighteen billion, one hundred twenty-two million, five hundred eighty-four thousand".