2420040665 has 24 divisors (see below), whose sum is σ = 3381258240. Its totient is φ = 1657944288.

The previous prime is 2420040653. The next prime is 2420040671. The reversal of 2420040665 is 5660400242.

It is not a de Polignac number, because 2420040665 - 2²² = 2415846361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309494 + ... + 317216.

It is an arithmetic number, because the mean of its divisors is an integer number (140885760).

Almost surely, 2^2420040665 is an apocalyptic number.

It is an amenable number.

2420040665 is a deficient number, since it is larger than the sum of its proper divisors (961217575).

2420040665 is a wasteful number, since it uses less digits than its factorization.

2420040665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9021 (or 9014 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2420040665 is about 49193.9088200968. The cubic root of 2420040665 is about 1342.5822089578.

The spelling of 2420040665 in words is "two billion, four hundred twenty million, forty thousand, six hundred sixty-five".