4026621164 has 24 divisors (see below), whose sum is σ = 7136156160. Its totient is φ = 1987751504.

The previous prime is 4026621149. The next prime is 4026621167. The reversal of 4026621164 is 4611266204.

It is a self number, because there is not a number n which added to its sum of digits gives 4026621164.

It is not an unprimeable number, because it can be changed into a prime (4026621167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681977 + ... + 687855.

It is an arithmetic number, because the mean of its divisors is an integer number (297339840).

Almost surely, 2^4026621164 is an apocalyptic number.

It is an amenable number.

4026621164 is a deficient number, since it is larger than the sum of its proper divisors (3109534996).

4026621164 is a wasteful number, since it uses less digits than its factorization.

4026621164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8029 (or 8027 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4026621164 is about 63455.6629781771. The cubic root of 4026621164 is about 1590.9148070824.

Adding to 4026621164 its reverse (4611266204), we get a palindrome (8637887368).

The spelling of 4026621164 in words is "four billion, twenty-six million, six hundred twenty-one thousand, one hundred sixty-four".