3640464333 has 48 divisors (see below), whose sum is σ = 5951312640. Its totient is φ = 2125094400.

The previous prime is 3640464319. The next prime is 3640464341. The reversal of 3640464333 is 3334640463.

3640464333 is a `hidden beast` number, since 3 + 6 + 4 + 0 + 4 + 643 + 3 + 3 = 666.

It is not a de Polignac number, because 3640464333 - 2²⁶ = 3573355469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640464313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314985 + ... + 326337.

It is an arithmetic number, because the mean of its divisors is an integer number (123985680).

Almost surely, 2^3640464333 is an apocalyptic number.

3640464333 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3640464333 is a deficient number, since it is larger than the sum of its proper divisors (2310848307).

3640464333 is a wasteful number, since it uses less digits than its factorization.

3640464333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490 (or 11487 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

The square root of 3640464333 is about 60336.2605155474. The cubic root of 3640464333 is about 1538.3397428966.

The spelling of 3640464333 in words is "three billion, six hundred forty million, four hundred sixty-four thousand, three hundred thirty-three".