4036397672 has 8 divisors (see below), whose sum is σ = 7568245650. Its totient is φ = 2018198832.

The previous prime is 4036397671. The next prime is 4036397689. The reversal of 4036397672 is 2767936304.

It can be written as a sum of positive squares in only one way, i.e., 2324589796 + 1711807876 = 48214^2 + 41374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4036397671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252274847 + ... + 252274862.

Almost surely, 2^4036397672 is an apocalyptic number.

It is an amenable number.

4036397672 is a deficient number, since it is larger than the sum of its proper divisors (3531847978).

4036397672 is a wasteful number, since it uses less digits than its factorization.

4036397672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504549715 (or 504549711 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 47.

The square root of 4036397672 is about 63532.6504405412. The cubic root of 4036397672 is about 1592.2013299331.

The spelling of 4036397672 in words is "four billion, thirty-six million, three hundred ninety-seven thousand, six hundred seventy-two".