2420776764 has 36 divisors (see below), whose sum is σ = 6993355824. Its totient is φ = 691650432.

The previous prime is 2420776753. The next prime is 2420776781. The reversal of 2420776764 is 4676770242.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2420776764² = 11720320282244623392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4802877 + ... + 4803380.

It is an arithmetic number, because the mean of its divisors is an integer number (194259884).

Almost surely, 2^2420776764 is an apocalyptic number.

It is an amenable number.

2420776764 is an abundant number, since it is smaller than the sum of its proper divisors (4572579060).

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

2420776764 is a wasteful number, since it uses less digits than its factorization.

2420776764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606274 (or 9606269 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The square root of 2420776764 is about 49201.3898584176. The cubic root of 2420776764 is about 1342.7183186869.

The spelling of 2420776764 in words is "two billion, four hundred twenty million, seven hundred seventy-six thousand, seven hundred sixty-four".