5344666040 has 128 divisors (see below), whose sum is σ = 14799283200. Its totient is φ = 1695344640.

The previous prime is 5344666039. The next prime is 5344666051. The reversal of 5344666040 is 406664435.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5344665985 and 5344666003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271325 + ... + 290355.

It is an arithmetic number, because the mean of its divisors is an integer number (115619400).

Almost surely, 2^5344666040 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 5344666040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7399641600).

5344666040 is an abundant number, since it is smaller than the sum of its proper divisors (9454617160).

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

5344666040 is a wasteful number, since it uses less digits than its factorization.

5344666040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19125 (or 19121 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 5344666040 is about 73107.2228989722. Note that the first 3 decimals coincide. The cubic root of 5344666040 is about 1748.3975578836.

The spelling of 5344666040 in words is "five billion, three hundred forty-four million, six hundred sixty-six thousand, forty".