4018545664 has 99 divisors (see below), whose sum is σ = 9377841267. Its totient is φ = 1716148224.

The previous prime is 4018545653. The next prime is 4018545677. The reversal of 4018545664 is 4665458104.

The square root of 4018545664 is 63392.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×4018545664² = 32297418507306401792, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4018545664.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14199667 + ... + 14199949.

Almost surely, 2^4018545664 is an apocalyptic number.

4018545664 is the 63392-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4018545664

4018545664 is an abundant number, since it is smaller than the sum of its proper divisors (5359295603).

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

4018545664 is an frugal number, since it uses more digits than its factorization.

4018545664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The cubic root of 4018545664 is about 1589.8505541012.

It can be divided in two parts, 40185 and 45664, that added together give a square (85849 = 293²).

The spelling of 4018545664 in words is "four billion, eighteen million, five hundred forty-five thousand, six hundred sixty-four".