3649044480 has 192 divisors, whose sum is σ = 12079594800. Its totient is φ = 939524096.

The previous prime is 3649044479. The next prime is 3649044521. The reversal of 3649044480 is 844409463.

It is a tau number, because it is divible by the number of its divisors (192).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125829106 + ... + 125829134.

Almost surely, 2^3649044480 is an apocalyptic number.

3649044480 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 3649044480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6039797400).

3649044480 is an abundant number, since it is smaller than the sum of its proper divisors (8430550320).

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

3649044480 is an frugal number, since it uses more digits than its factorization.

3649044480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 3649044480 is about 60407.3214105708. The cubic root of 3649044480 is about 1539.5473567099.

The spelling of 3649044480 in words is "three billion, six hundred forty-nine million, forty-four thousand, four hundred eighty".