3644328495552 has 112 divisors (see below), whose sum is σ = 10161135839232. Its totient is φ = 1150455116800.

The previous prime is 3644328495487. The next prime is 3644328495559. The reversal of 3644328495552 is 2555948234463.

It is a super-2 number, since 2×3644328495552² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644328495559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3639408 + ... + 4531439.

It is an arithmetic number, because the mean of its divisors is an integer number (90724427136).

Almost surely, 2^{3644328495552} is an apocalyptic number.

3644328495552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3644328495552 is an abundant number, since it is smaller than the sum of its proper divisors (6516807343680).

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

3644328495552 is a wasteful number, since it uses less digits than its factorization.

3644328495552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170986 (or 8170976 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 60.

The spelling of 3644328495552 in words is "three trillion, six hundred forty-four billion, three hundred twenty-eight million, four hundred ninety-five thousand, five hundred fifty-two".