1800072425808 has 320 divisors, whose sum is σ = 5345398944000. Its totient is φ = 586987720704.

The previous prime is 1800072425807. The next prime is 1800072425831. The reversal of 1800072425808 is 8085242700081.

It is a happy number.

1800072425808 is a `hidden beast` number, since 1 + 80 + 0 + 0 + 72 + 425 + 80 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800072425807) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 349322560 + ... + 349327712.

It is an arithmetic number, because the mean of its divisors is an integer number (16704371700).

Almost surely, 2^{1800072425808} is an apocalyptic number.

1800072425808 is a gapful number since it is divisible by the number (18) 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 1800072425808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2672699472000).

1800072425808 is an abundant number, since it is smaller than the sum of its proper divisors (3545326518192).

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

1800072425808 is an equidigital number, since it uses as much as digits as its factorization.

1800072425808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398 (or 5374 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 1800072425808 in words is "one trillion, eight hundred billion, seventy-two million, four hundred twenty-five thousand, eight hundred eight".