2422742840 has 96 divisors (see below), whose sum is σ = 6366906720. Its totient is φ = 812773632.

The previous prime is 2422742821. The next prime is 2422742863. The reversal of 2422742840 is 482472242.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2422742840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616562 + ... + 620478.

It is an arithmetic number, because the mean of its divisors is an integer number (66321945).

Almost surely, 2^2422742840 is an apocalyptic number.

2422742840 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 2422742840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3183453360).

2422742840 is an abundant number, since it is smaller than the sum of its proper divisors (3944163880).

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

2422742840 is a wasteful number, since it uses less digits than its factorization.

2422742840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 3978 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 35.

The square root of 2422742840 is about 49221.3656860514. The cubic root of 2422742840 is about 1343.0817243433.

The spelling of 2422742840 in words is "two billion, four hundred twenty-two million, seven hundred forty-two thousand, eight hundred forty".