4397965544 has 16 divisors (see below), whose sum is σ = 9424212000. Its totient is φ = 1884842352.

The previous prime is 4397965543. The next prime is 4397965553. The reversal of 4397965544 is 4455697934.

It is a super-2 number, since 2×4397965544² = 38684201852422431872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 78535099 = 4397965544 / (4 + 3 + 9 + 7 + 9 + 6 + 5 + 5 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 4397965544.

It is not an unprimeable number, because it can be changed into a prime (4397965543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39267494 + ... + 39267605.

It is an arithmetic number, because the mean of its divisors is an integer number (589013250).

Almost surely, 2^4397965544 is an apocalyptic number.

It is an amenable number.

4397965544 is an abundant number, since it is smaller than the sum of its proper divisors (5026246456).

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

4397965544 is a wasteful number, since it uses less digits than its factorization.

4397965544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78535112 (or 78535108 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 56.

The square root of 4397965544 is about 66317.1587449281. The cubic root of 4397965544 is about 1638.3899457394.

The spelling of 4397965544 in words is "four billion, three hundred ninety-seven million, nine hundred sixty-five thousand, five hundred forty-four".