18474454404000 has 3840 divisors, whose sum is σ = 86996960354304. Its totient is φ = 3740774400000.

The previous prime is 18474454403963. The next prime is 18474454404001. The reversal of 18474454404000 is 40445447481.

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

It is not an unprimeable number, because it can be changed into a prime (18474454404001) by changing a digit.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 73603403875 + ... + 73603404125.

Almost surely, 2^{18474454404000} is an apocalyptic number.

18474454404000 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 18474454404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43498480177152).

18474454404000 is an abundant number, since it is smaller than the sum of its proper divisors (68522505950304).

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

18474454404000 is a wasteful number, since it uses less digits than its factorization.

18474454404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 45.

The spelling of 18474454404000 in words is "eighteen trillion, four hundred seventy-four billion, four hundred fifty-four million, four hundred four thousand".