2420399860 has 12 divisors (see below), whose sum is σ = 5082839748. Its totient is φ = 968159936.

The previous prime is 2420399833. The next prime is 2420399897. The reversal of 2420399860 is 689930242.

It can be written as a sum of positive squares in 2 ways, for example, as 1788782436 + 631617424 = 42294^2 + 25132^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60509977 + ... + 60510016.

It is an arithmetic number, because the mean of its divisors is an integer number (423569979).

Almost surely, 2^2420399860 is an apocalyptic number.

2420399860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420399860 is an abundant number, since it is smaller than the sum of its proper divisors (2662439888).

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

2420399860 is a wasteful number, since it uses less digits than its factorization.

2420399860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121020002 (or 121020000 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2420399860 is about 49197.5594923163. The cubic root of 2420399860 is about 1342.6486300124.

The spelling of 2420399860 in words is "two billion, four hundred twenty million, three hundred ninety-nine thousand, eight hundred sixty".