2420400842 has 32 divisors (see below), whose sum is σ = 3994401600. Its totient is φ = 1095510528.

The previous prime is 2420400839. The next prime is 2420400859. The reversal of 2420400842 is 2480040242.

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, 95573 + ... + 118215.

It is an arithmetic number, because the mean of its divisors is an integer number (124825050).

Almost surely, 2^2420400842 is an apocalyptic number.

2420400842 is a deficient number, since it is larger than the sum of its proper divisors (1574000758).

2420400842 is a wasteful number, since it uses less digits than its factorization.

2420400842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22790.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 2420400842 is about 49197.5694724851. The cubic root of 2420400842 is about 1342.6488115913.

It can be divided in two parts, 2420400 and 842, that added together give a palindrome (2421242).

The spelling of 2420400842 in words is "two billion, four hundred twenty million, four hundred thousand, eight hundred forty-two".