3644200666530 has 96 divisors (see below), whose sum is σ = 10265578861824. Its totient is φ = 893352595968.

The previous prime is 3644200666529. The next prime is 3644200666571. The reversal of 3644200666530 is 356660024463.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 27629914 + ... + 27761493.

It is an arithmetic number, because the mean of its divisors is an integer number (106933113144).

Almost surely, 2^{3644200666530} is an apocalyptic number.

3644200666530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3644200666530 is an abundant number, since it is smaller than the sum of its proper divisors (6621378195294).

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

3644200666530 is a wasteful number, since it uses less digits than its factorization.

3644200666530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55391480 (or 55391477 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 3644200666530 in words is "three trillion, six hundred forty-four billion, two hundred million, six hundred sixty-six thousand, five hundred thirty".