2646777120 has 96 divisors (see below), whose sum is σ = 8978703552. Its totient is φ = 651512832.

The previous prime is 2646777113. The next prime is 2646777143. The reversal of 2646777120 is 217776462.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205842 + ... + 218321.

It is an arithmetic number, because the mean of its divisors is an integer number (93528162).

Almost surely, 2^2646777120 is an apocalyptic number.

2646777120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2646777120 is an abundant number, since it is smaller than the sum of its proper divisors (6331926432).

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

2646777120 is a wasteful number, since it uses less digits than its factorization.

2646777120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424194 (or 424186 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 2646777120 is about 51446.8378036979. The cubic root of 2646777120 is about 1383.2662811002.

The spelling of 2646777120 in words is "two billion, six hundred forty-six million, seven hundred seventy-seven thousand, one hundred twenty".