961940044 has 24 divisors (see below), whose sum is σ = 1871370368. Its totient is φ = 429649920.

The previous prime is 961940039. The next prime is 961940047. The reversal of 961940044 is 440049169.

It is a junction number, because it is equal to n+sod(n) for n = 961939985 and 961940012.

It is not an unprimeable number, because it can be changed into a prime (961940047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296757 + ... + 299980.

Almost surely, 2^961940044 is an apocalyptic number.

It is an amenable number.

961940044 is a deficient number, since it is larger than the sum of its proper divisors (909430324).

961940044 is a wasteful number, since it uses less digits than its factorization.

961940044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596785 (or 596783 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 961940044 is about 31015.1582939697. The cubic root of 961940044 is about 987.1489048079.

The spelling of 961940044 in words is "nine hundred sixty-one million, nine hundred forty thousand, forty-four".