5646444264 has 144 divisors (see below), whose sum is σ = 15888749760. Its totient is φ = 1810670400.

The previous prime is 5646444233. The next prime is 5646444283. The reversal of 5646444264 is 4624446465.

5646444264 is a `hidden beast` number, since 564 + 6 + 44 + 42 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17058579 + ... + 17058909.

It is an arithmetic number, because the mean of its divisors is an integer number (110338540).

Almost surely, 2^5646444264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5646444264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7944374880).

5646444264 is an abundant number, since it is smaller than the sum of its proper divisors (10242305496).

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

5646444264 is a wasteful number, since it uses less digits than its factorization.

5646444264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 454 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 45.

The square root of 5646444264 is about 75142.8257653384. The cubic root of 5646444264 is about 1780.7037851573.

The spelling of 5646444264 in words is "five billion, six hundred forty-six million, four hundred forty-four thousand, two hundred sixty-four".