2402220420440 has 64 divisors (see below), whose sum is σ = 5410545336000. Its totient is φ = 959902175232.

The previous prime is 2402220420427. The next prime is 2402220420511. The reversal of 2402220420440 is 440240222042.

It is a congruent number.

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, 179276861 + ... + 179290259.

It is an arithmetic number, because the mean of its divisors is an integer number (84539770875).

Almost surely, 2^{2402220420440} is an apocalyptic number.

2402220420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402220420440 is an abundant number, since it is smaller than the sum of its proper divisors (3008324915560).

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

2402220420440 is a wasteful number, since it uses less digits than its factorization.

2402220420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17676 (or 17672 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2402220420440 its reverse (440240222042), we get a palindrome (2842460642482).

The spelling of 2402220420440 in words is "two trillion, four hundred two billion, two hundred twenty million, four hundred twenty thousand, four hundred forty".