3440448820 has 24 divisors (see below), whose sum is σ = 7458006528. Its totient is φ = 1331786400.

The previous prime is 3440448799. The next prime is 3440448821. The reversal of 3440448820 is 288440443.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3440448820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440448821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773936 + ... + 2775175.

It is an arithmetic number, because the mean of its divisors is an integer number (310750272).

Almost surely, 2^3440448820 is an apocalyptic number.

It is an amenable number.

3440448820 is an abundant number, since it is smaller than the sum of its proper divisors (4017557708).

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

3440448820 is a wasteful number, since it uses less digits than its factorization.

3440448820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549151 (or 5549149 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 37.

The square root of 3440448820 is about 58655.3392284113. The cubic root of 3440448820 is about 1509.6341116030.

The spelling of 3440448820 in words is "three billion, four hundred forty million, four hundred forty-eight thousand, eight hundred twenty".