2420140740 has 48 divisors (see below), whose sum is σ = 7175008512. Its totient is φ = 607407616.

The previous prime is 2420140721. The next prime is 2420140771. The reversal of 2420140740 is 470410242.

It is a self number, because there is not a number n which added to its sum of digits gives 2420140740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1185324 + ... + 1187363.

It is an arithmetic number, because the mean of its divisors is an integer number (149479344).

Almost surely, 2^2420140740 is an apocalyptic number.

2420140740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420140740 is an abundant number, since it is smaller than the sum of its proper divisors (4754867772).

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

2420140740 is a wasteful number, since it uses less digits than its factorization.

2420140740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372716 (or 2372714 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 2420140740 is about 49194.9259578668. The cubic root of 2420140740 is about 1342.6007151293.

Adding to 2420140740 its reverse (470410242), we get a palindrome (2890550982).

The spelling of 2420140740 in words is "two billion, four hundred twenty million, one hundred forty thousand, seven hundred forty".