2420776740 has 96 divisors (see below), whose sum is σ = 7063056000. Its totient is φ = 618734592.

The previous prime is 2420776691. The next prime is 2420776741. The reversal of 2420776740 is 476770242.

It is not an unprimeable number, because it can be changed into a prime (2420776741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236856 + ... + 246864.

It is an arithmetic number, because the mean of its divisors is an integer number (73573500).

Almost surely, 2^2420776740 is an apocalyptic number.

2420776740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2420776740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3531528000).

2420776740 is an abundant number, since it is smaller than the sum of its proper divisors (4642279260).

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

2420776740 is a wasteful number, since it uses less digits than its factorization.

2420776740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189 (or 10187 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 2420776740 is about 49201.3896145221. The cubic root of 2420776740 is about 1342.7183142496.

The spelling of 2420776740 in words is "two billion, four hundred twenty million, seven hundred seventy-six thousand, seven hundred forty".