1802117782080 has 4032 divisors, whose sum is σ = 8985125560320. Its totient is φ = 338610585600.

The previous prime is 1802117782067. The next prime is 1802117782133. The reversal of 1802117782080 is 802877112081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (4032).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 24686544924 + ... + 24686544996.

It is an arithmetic number, because the mean of its divisors is an integer number (2228453760).

Almost surely, 2^{1802117782080} is an apocalyptic number.

1802117782080 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 1802117782080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4492562780160).

1802117782080 is an abundant number, since it is smaller than the sum of its proper divisors (7183007778240).

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

1802117782080 is a wasteful number, since it uses less digits than its factorization.

1802117782080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 45.

The spelling of 1802117782080 in words is "one trillion, eight hundred two billion, one hundred seventeen million, seven hundred eighty-two thousand, eighty".