2774861420 has 24 divisors (see below), whose sum is σ = 5828298000. Its totient is φ = 1109737152.

The previous prime is 2774861417. The next prime is 2774861447. The reversal of 2774861420 is 241684772.

It is a happy 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, 141791 + ... + 160169.

It is an arithmetic number, because the mean of its divisors is an integer number (242845750).

Almost surely, 2^2774861420 is an apocalyptic number.

2774861420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2774861420 is an abundant number, since it is smaller than the sum of its proper divisors (3053436580).

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

2774861420 is a wasteful number, since it uses less digits than its factorization.

2774861420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25937 (or 25935 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 2774861420 is about 52676.9534046911. The cubic root of 2774861420 is about 1405.2289862887.

The spelling of 2774861420 in words is "two billion, seven hundred seventy-four million, eight hundred sixty-one thousand, four hundred twenty".