1824747940 has 12 divisors (see below), whose sum is σ = 3831970716. Its totient is φ = 729899168.

The previous prime is 1824747919. The next prime is 1824747949. The reversal of 1824747940 is 497474281.

It can be written as a sum of positive squares in 2 ways, for example, as 677977444 + 1146770496 = 26038^2 + 33864^2 .

It is not an unprimeable number, because it can be changed into a prime (1824747949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45618679 + ... + 45618718.

It is an arithmetic number, because the mean of its divisors is an integer number (319330893).

Almost surely, 2^1824747940 is an apocalyptic number.

1824747940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1824747940 is an abundant number, since it is smaller than the sum of its proper divisors (2007222776).

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

1824747940 is a wasteful number, since it uses less digits than its factorization.

1824747940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91237406 (or 91237404 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1824747940 is about 42717.0684855597. The cubic root of 1824747940 is about 1221.9899308344.

The spelling of 1824747940 in words is "one billion, eight hundred twenty-four million, seven hundred forty-seven thousand, nine hundred forty".