1936640032 has 12 divisors (see below), whose sum is σ = 3812760126. Its totient is φ = 968320000.

The previous prime is 1936640011. The next prime is 1936640047. The reversal of 1936640032 is 2300466391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1935648016 + 992016 = 43996^2 + 996^2 .

It is a super-2 number, since 2×1936640032² = 7501149227089922048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1936640032.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30259969 + ... + 30260032.

Almost surely, 2^1936640032 is an apocalyptic number.

It is an amenable number.

1936640032 is a deficient number, since it is larger than the sum of its proper divisors (1876120094).

1936640032 is an equidigital number, since it uses as much as digits as its factorization.

1936640032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60520011 (or 60520003 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1936640032 is about 44007.2724898965. The cubic root of 1936640032 is about 1246.4732659018.

The spelling of 1936640032 in words is "one billion, nine hundred thirty-six million, six hundred forty thousand, thirty-two".