3365557640 has 16 divisors (see below), whose sum is σ = 7572504780. Its totient is φ = 1346223040.

The previous prime is 3365557603. The next prime is 3365557721. The reversal of 3365557640 is 467555633.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3251964676 + 113592964 = 57026^2 + 10658^2 .

It is a super-2 number, since 2×3365557640² = 22653956456324739200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3365557591 and 3365557600.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42069431 + ... + 42069510.

Almost surely, 2^3365557640 is an apocalyptic number.

It is an amenable number.

3365557640 is an abundant number, since it is smaller than the sum of its proper divisors (4206947140).

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

3365557640 is a wasteful number, since it uses less digits than its factorization.

3365557640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84138952 (or 84138948 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 44.

The square root of 3365557640 is about 58013.4263770035. The cubic root of 3365557640 is about 1498.5998252657.

The spelling of 3365557640 in words is "three billion, three hundred sixty-five million, five hundred fifty-seven thousand, six hundred forty".