3645033328 has 20 divisors (see below), whose sum is σ = 7069255128. Its totient is φ = 1820709440.

The previous prime is 3645033269. The next prime is 3645033341. The reversal of 3645033328 is 8233305463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96238 + ... + 128653.

Almost surely, 2^3645033328 is an apocalyptic number.

It is an amenable number.

3645033328 is a deficient number, since it is larger than the sum of its proper divisors (3424221800).

3645033328 is a wasteful number, since it uses less digits than its factorization.

3645033328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225912 (or 225906 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 3645033328 is about 60374.1114054691. Note that the first 3 decimals coincide. The cubic root of 3645033328 is about 1538.9830425362.

The spelling of 3645033328 in words is "three billion, six hundred forty-five million, thirty-three thousand, three hundred twenty-eight".