3665534080 has 64 divisors (see below), whose sum is σ = 9437009400. Its totient is φ = 1353424896.

The previous prime is 3665534069. The next prime is 3665534099. The reversal of 3665534080 is 804355663.

3665534080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2388472384 + 1277061696 = 48872^2 + 35736^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3665534080² = 26872280183282892800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211965 + ... + 228604.

Almost surely, 2^3665534080 is an apocalyptic number.

It is an amenable number.

3665534080 is an abundant number, since it is smaller than the sum of its proper divisors (5771475320).

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

3665534080 is a wasteful number, since it uses less digits than its factorization.

3665534080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440601 (or 440589 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 3665534080 is about 60543.6543330513. The cubic root of 3665534080 is about 1541.8628830881.

The spelling of 3665534080 in words is "three billion, six hundred sixty-five million, five hundred thirty-four thousand, eighty".