1039945330 has 16 divisors (see below), whose sum is σ = 1907221464. Its totient is φ = 408129280.

The previous prime is 1039945327. The next prime is 1039945349. The reversal of 1039945330 is 335499301.

It can be written as a sum of positive squares in 4 ways, for example, as 900540081 + 139405249 = 30009^2 + 11807^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1039945330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980551 + ... + 981610.

Almost surely, 2^1039945330 is an apocalyptic number.

1039945330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1039945330 is a deficient number, since it is larger than the sum of its proper divisors (867276134).

1039945330 is a wasteful number, since it uses less digits than its factorization.

1039945330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962221.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 1039945330 is about 32248.1833596871. The cubic root of 1039945330 is about 1013.1416504884.

The spelling of 1039945330 in words is "one billion, thirty-nine million, nine hundred forty-five thousand, three hundred thirty".