4011365664 has 36 divisors (see below), whose sum is σ = 11407321926. Its totient is φ = 1337121792.

The previous prime is 4011365653. The next prime is 4011365717. The reversal of 4011365664 is 4665631104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2030403600 + 1980962064 = 45060^2 + 44508^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6963889 + ... + 6964464.

Almost surely, 2^4011365664 is an apocalyptic number.

It is an amenable number.

4011365664 is an abundant number, since it is smaller than the sum of its proper divisors (7395956262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4011365664 is a wasteful number, since it uses less digits than its factorization.

4011365664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928369 (or 13928358 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 4011365664 is about 63335.3429295208. The cubic root of 4011365664 is about 1588.9031191152.

Adding to 4011365664 its reverse (4665631104), we get a palindrome (8676996768).

The spelling of 4011365664 in words is "four billion, eleven million, three hundred sixty-five thousand, six hundred sixty-four".