2124420340 has 48 divisors (see below), whose sum is σ = 5143767552. Its totient is φ = 721921536.

The previous prime is 2124420329. The next prime is 2124420367. The reversal of 2124420340 is 430244212.

It is a happy number.

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, 51324 + ... + 82963.

It is an arithmetic number, because the mean of its divisors is an integer number (107161824).

Almost surely, 2^2124420340 is an apocalyptic number.

2124420340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124420340 is an abundant number, since it is smaller than the sum of its proper divisors (3019347212).

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

2124420340 is a wasteful number, since it uses less digits than its factorization.

2124420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134416 (or 134414 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2124420340 is about 46091.4345621830. The cubic root of 2124420340 is about 1285.5238851620.

Adding to 2124420340 its reverse (430244212), we get a palindrome (2554664552).

The spelling of 2124420340 in words is "two billion, one hundred twenty-four million, four hundred twenty thousand, three hundred forty".