2124305440 has 48 divisors (see below), whose sum is σ = 5022114048. Its totient is φ = 849139456.

The previous prime is 2124305437. The next prime is 2124305467. The reversal of 2124305440 is 445034212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288039 + ... + 295321.

It is an arithmetic number, because the mean of its divisors is an integer number (104627376).

Almost surely, 2^2124305440 is an apocalyptic number.

2124305440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124305440 is an abundant number, since it is smaller than the sum of its proper divisors (2897808608).

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

2124305440 is a wasteful number, since it uses less digits than its factorization.

2124305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121 (or 9113 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2124305440 is about 46090.1881098353. The cubic root of 2124305440 is about 1285.5007087446.

Adding to 2124305440 its reverse (445034212), we get a palindrome (2569339652).

The spelling of 2124305440 in words is "two billion, one hundred twenty-four million, three hundred five thousand, four hundred forty".