2420911880 has 64 divisors (see below), whose sum is σ = 5727423600. Its totient is φ = 919618560.

The previous prime is 2420911807. The next prime is 2420911891. The reversal of 2420911880 is 881190242.

It can be written as a sum of positive squares in 8 ways, for example, as 858607204 + 1562304676 = 29302^2 + 39526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2420911880.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53654 + ... + 87866.

Almost surely, 2^2420911880 is an apocalyptic number.

2420911880 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 2420911880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2863711800).

2420911880 is an abundant number, since it is smaller than the sum of its proper divisors (3306511720).

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

2420911880 is a wasteful number, since it uses less digits than its factorization.

2420911880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34314 (or 34310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 2420911880 is about 49202.7629305510. The cubic root of 2420911880 is about 1342.7432995602.

The spelling of 2420911880 in words is "two billion, four hundred twenty million, nine hundred eleven thousand, eight hundred eighty".