2780189799552 has 256 divisors, whose sum is σ = 8954003088000. Its totient is φ = 842233835520.

The previous prime is 2780189799547. The next prime is 2780189799559. The reversal of 2780189799552 is 2559979810872.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (2780189799559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160761018 + ... + 160778310.

Almost surely, 2^{2780189799552} is an apocalyptic number.

2780189799552 is a gapful number since it is divisible by the number (22) 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 2780189799552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4477001544000).

2780189799552 is an abundant number, since it is smaller than the sum of its proper divisors (6173813288448).

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

2780189799552 is a wasteful number, since it uses less digits than its factorization.

2780189799552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556 (or 21538 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 72.

The spelling of 2780189799552 in words is "two trillion, seven hundred eighty billion, one hundred eighty-nine million, seven hundred ninety-nine thousand, five hundred fifty-two".