2042422460 has 72 divisors (see below), whose sum is σ = 4656793680. Its totient is φ = 752114688.

The previous prime is 2042422453. The next prime is 2042422511. The reversal of 2042422460 is 642242402.

It is a happy number.

It is a super-2 number, since 2×2042422460² = 8342979010224903200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2003831 + ... + 2004849.

It is an arithmetic number, because the mean of its divisors is an integer number (64677690).

Almost surely, 2^2042422460 is an apocalyptic number.

2042422460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042422460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328396840).

2042422460 is an abundant number, since it is smaller than the sum of its proper divisors (2614371220).

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

2042422460 is a wasteful number, since it uses less digits than its factorization.

2042422460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2042422460 is about 45193.1682890235. The cubic root of 2042422460 is about 1268.7669558267.

Adding to 2042422460 its reverse (642242402), we get a palindrome (2684664862).

The spelling of 2042422460 in words is "two billion, forty-two million, four hundred twenty-two thousand, four hundred sixty".