5445540366 has 64 divisors (see below), whose sum is σ = 12920947200. Its totient is φ = 1496992896.

The previous prime is 5445540319. The next prime is 5445540371. The reversal of 5445540366 is 6630455445.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349245 + ... + 364503.

It is an arithmetic number, because the mean of its divisors is an integer number (201889800).

Almost surely, 2^5445540366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5445540366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6460473600).

5445540366 is an abundant number, since it is smaller than the sum of its proper divisors (7475406834).

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

5445540366 is a wasteful number, since it uses less digits than its factorization.

5445540366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593.

The product of its (nonzero) digits is 864000, while the sum is 42.

The square root of 5445540366 is about 73793.9046669845. The cubic root of 5445540366 is about 1759.3287262278.

The spelling of 5445540366 in words is "five billion, four hundred forty-five million, five hundred forty thousand, three hundred sixty-six".