2778417895120 has 40 divisors (see below), whose sum is σ = 7382653265664. Its totient is φ = 952600420992.

The previous prime is 2778417895093. The next prime is 2778417895139. The reversal of 2778417895120 is 215987148772.

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

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, 2480729704 + ... + 2480730823.

Almost surely, 2^{2778417895120} is an apocalyptic number.

2778417895120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2778417895120 is an abundant number, since it is smaller than the sum of its proper divisors (4604235370544).

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

2778417895120 is a wasteful number, since it uses less digits than its factorization.

2778417895120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961460547 (or 4961460541 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 61.

The spelling of 2778417895120 in words is "two trillion, seven hundred seventy-eight billion, four hundred seventeen million, eight hundred ninety-five thousand, one hundred twenty".