4040101065 has 192 divisors, whose sum is σ = 8910429696. Its totient is φ = 1520640000.

The previous prime is 4040101049. The next prime is 4040101073. The reversal of 4040101065 is 5601010404.

4040101065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4040101065 - 2⁴ = 4040101049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10074865 + ... + 10075265.

It is an arithmetic number, because the mean of its divisors is an integer number (46408488).

Almost surely, 2^4040101065 is an apocalyptic number.

It is an amenable number.

4040101065 is an abundant number, since it is smaller than the sum of its proper divisors (4870328631).

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

4040101065 is a wasteful number, since it uses less digits than its factorization.

4040101065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4040101065 is about 63561.7893470598. The cubic root of 4040101065 is about 1592.6881290791.

Adding to 4040101065 its reverse (5601010404), we get a palindrome (9641111469).

The spelling of 4040101065 in words is "four billion, forty million, one hundred one thousand, sixty-five".