4115220644 has 12 divisors (see below), whose sum is σ = 7204010268. Its totient is φ = 2056932000.

The previous prime is 4115220631. The next prime is 4115220671. The reversal of 4115220644 is 4460225114.

It can be written as a sum of positive squares in 2 ways, for example, as 3889019044 + 226201600 = 62362^2 + 15040^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155807 + ... + 180294.

It is an arithmetic number, because the mean of its divisors is an integer number (600334189).

Almost surely, 2^4115220644 is an apocalyptic number.

It is an amenable number.

4115220644 is a deficient number, since it is larger than the sum of its proper divisors (3088789624).

4115220644 is a wasteful number, since it uses less digits than its factorization.

4115220644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339166 (or 339164 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4115220644 is about 64149.9855339033. The cubic root of 4115220644 is about 1602.4987835398.

Adding to 4115220644 its reverse (4460225114), we get a palindrome (8575445758).

The spelling of 4115220644 in words is "four billion, one hundred fifteen million, two hundred twenty thousand, six hundred forty-four".