4017400644 has 24 divisors (see below), whose sum is σ = 9466748928. Its totient is φ = 1325874400.

The previous prime is 4017400643. The next prime is 4017400649. The reversal of 4017400644 is 4460047104.

It is a super-2 number, since 2×4017400644² = 32279015868823229472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4017400643) 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, 1656132 + ... + 1658555.

It is an arithmetic number, because the mean of its divisors is an integer number (394447872).

Almost surely, 2^4017400644 is an apocalyptic number.

It is an amenable number.

4017400644 is an abundant number, since it is smaller than the sum of its proper divisors (5449348284).

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

4017400644 is a wasteful number, since it uses less digits than its factorization.

4017400644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314795 (or 3314793 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 4017400644 is about 63382.9680908050. The cubic root of 4017400644 is about 1589.6995389695.

Adding to 4017400644 its reverse (4460047104), we get a palindrome (8477447748).

The spelling of 4017400644 in words is "four billion, seventeen million, four hundred thousand, six hundred forty-four".