4040511616 has 16 divisors (see below), whose sum is σ = 8049456990. Its totient is φ = 2020255744.

The previous prime is 4040511611. The next prime is 4040511619. The reversal of 4040511616 is 6161150404.

It can be written as a sum of positive squares in only one way, i.e., 2512014400 + 1528497216 = 50120^2 + 39096^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (4040511611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15783121 + ... + 15783376.

Almost surely, 2^4040511616 is an apocalyptic number.

It is an amenable number.

4040511616 is a deficient number, since it is larger than the sum of its proper divisors (4008945374).

4040511616 is an equidigital number, since it uses as much as digits as its factorization.

4040511616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31566511 (or 31566499 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4040511616 is about 63565.0188075171. The cubic root of 4040511616 is about 1592.7420763728.

The spelling of 4040511616 in words is "four billion, forty million, five hundred eleven thousand, six hundred sixteen".