4365969920 has 160 divisors (see below), whose sum is σ = 11938017168. Its totient is φ = 1517027328.

The previous prime is 4365969913. The next prime is 4365969931. The reversal of 4365969920 is 299695634.

It can be written as a sum of positive squares in 8 ways, for example, as 1650309376 + 2715660544 = 40624^2 + 52112^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561902 + ... + 569618.

Almost surely, 2^4365969920 is an apocalyptic number.

4365969920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4365969920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5969008584).

4365969920 is an abundant number, since it is smaller than the sum of its proper divisors (7572047248).

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

4365969920 is a wasteful number, since it uses less digits than its factorization.

4365969920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770 (or 7754 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 53.

The square root of 4365969920 is about 66075.4865286666. The cubic root of 4365969920 is about 1634.4071232421.

The spelling of 4365969920 in words is "four billion, three hundred sixty-five million, nine hundred sixty-nine thousand, nine hundred twenty".