1804515431004 has 288 divisors, whose sum is σ = 5565482657280. Its totient is φ = 504020102400.

The previous prime is 1804515430937. The next prime is 1804515431051. The reversal of 1804515431004 is 4001345154081.

1804515431004 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 5 + 1 + 543 + 100 + 4 = 666.

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 1804515431004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 98539009 + ... + 98557319.

It is an arithmetic number, because the mean of its divisors is an integer number (19324592560).

Almost surely, 2^{1804515431004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804515431004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782741328640).

1804515431004 is an abundant number, since it is smaller than the sum of its proper divisors (3760967226276).

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

1804515431004 is a wasteful number, since it uses less digits than its factorization.

1804515431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19063 (or 19049 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 1804515431004 in words is "one trillion, eight hundred four billion, five hundred fifteen million, four hundred thirty-one thousand, four".