1944460740 has 48 divisors (see below), whose sum is σ = 5620124160. Its totient is φ = 501795840.

The previous prime is 1944460669. The next prime is 1944460751. The reversal of 1944460740 is 470644491.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520845 + ... + 524564.

It is an arithmetic number, because the mean of its divisors is an integer number (117085920).

Almost surely, 2^1944460740 is an apocalyptic number.

1944460740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1944460740 is an abundant number, since it is smaller than the sum of its proper divisors (3675663420).

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

1944460740 is a wasteful number, since it uses less digits than its factorization.

1944460740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045452 (or 1045450 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1944460740 is about 44096.0399582548. The cubic root of 1944460740 is about 1248.1488845839.

The spelling of 1944460740 in words is "one billion, nine hundred forty-four million, four hundred sixty thousand, seven hundred forty".