2778282130160 has 40 divisors (see below), whose sum is σ = 6470818678896. Its totient is φ = 1109366576640.

The previous prime is 2778282130153. The next prime is 2778282130189. The reversal of 2778282130160 is 610312828772.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×2778282130160⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30364589 + ... + 30455948.

Almost surely, 2^{2778282130160} is an apocalyptic number.

2778282130160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2778282130160 is an abundant number, since it is smaller than the sum of its proper divisors (3692536548736).

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

2778282130160 is a wasteful number, since it uses less digits than its factorization.

2778282130160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60821121 (or 60821115 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 2778282130160 in words is "two trillion, seven hundred seventy-eight billion, two hundred eighty-two million, one hundred thirty thousand, one hundred sixty".