4016640634 has 4 divisors (see below), whose sum is σ = 6024960954. Its totient is φ = 2008320316.

The previous prime is 4016640611. The next prime is 4016640637. The reversal of 4016640634 is 4360466104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3672723609 + 343917025 = 60603^2 + 18545^2 .

It is a super-2 number, since 2×4016640634² = 32266803965399843912, 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 4016640634.

It is not an unprimeable number, because it can be changed into a prime (4016640637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004160157 + ... + 1004160160.

Almost surely, 2^4016640634 is an apocalyptic number.

4016640634 is a deficient number, since it is larger than the sum of its proper divisors (2008320320).

4016640634 is a wasteful number, since it uses less digits than its factorization.

4016640634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008320319.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 4016640634 is about 63376.9724268997. The cubic root of 4016640634 is about 1589.5992864390.

The spelling of 4016640634 in words is "four billion, sixteen million, six hundred forty thousand, six hundred thirty-four".