1940994304 has 18 divisors (see below), whose sum is σ = 3874407110. Its totient is φ = 970497024.

The previous prime is 1940994301. The next prime is 1940994313. The reversal of 1940994304 is 4034990491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1410152704 + 530841600 = 37552^2 + 23040^2 .

It is not an unprimeable number, because it can be changed into a prime (1940994301) 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 as a sum of consecutive naturals, namely, 3790749 + ... + 3791260.

Almost surely, 2^1940994304 is an apocalyptic number.

It is an amenable number.

1940994304 is a deficient number, since it is larger than the sum of its proper divisors (1933412806).

1940994304 is an frugal number, since it uses more digits than its factorization.

1940994304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582025 (or 7582011 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1940994304 is about 44056.7168999234. The cubic root of 1940994304 is about 1247.4067419171.

The spelling of 1940994304 in words is "one billion, nine hundred forty million, nine hundred ninety-four thousand, three hundred four".