1940173604 has 6 divisors (see below), whose sum is σ = 3395303814. Its totient is φ = 970086800.

The previous prime is 1940173601. The next prime is 1940173621. The reversal of 1940173604 is 4063710491.

It can be written as a sum of positive squares in only one way, i.e., 1935120100 + 5053504 = 43990^2 + 2248^2 .

It is a super-2 number, since 2×1940173604² = 7528547227316697632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1940173601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242521697 + ... + 242521704.

It is an arithmetic number, because the mean of its divisors is an integer number (565883969).

Almost surely, 2^1940173604 is an apocalyptic number.

It is an amenable number.

1940173604 is a deficient number, since it is larger than the sum of its proper divisors (1455130210).

1940173604 is a wasteful number, since it uses less digits than its factorization.

1940173604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485043405 (or 485043403 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1940173604 is about 44047.4017848953. The cubic root of 1940173604 is about 1247.2309057433.

The spelling of 1940173604 in words is "one billion, nine hundred forty million, one hundred seventy-three thousand, six hundred four".