3644964960 has 576 divisors, whose sum is σ = 14609548800. Its totient is φ = 763176960.

The previous prime is 3644964949. The next prime is 3644964977. The reversal of 3644964960 is 694694463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27824095 + ... + 27824225.

It is an arithmetic number, because the mean of its divisors is an integer number (25363800).

Almost surely, 2^3644964960 is an apocalyptic number.

3644964960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3644964960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7304774400).

3644964960 is an abundant number, since it is smaller than the sum of its proper divisors (10964583840).

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

3644964960 is a wasteful number, since it uses less digits than its factorization.

3644964960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The square root of 3644964960 is about 60373.5451998638. The cubic root of 3644964960 is about 1538.9734205070.

The spelling of 3644964960 in words is "three billion, six hundred forty-four million, nine hundred sixty-four thousand, nine hundred sixty".