5571339840 has 672 divisors, whose sum is σ = 22518380160. Its totient is φ = 1285632000.

The previous prime is 5571339833. The next prime is 5571339853. The reversal of 5571339840 is 489331755.

5571339840 is a `hidden beast` number, since 5 + 571 + 3 + 39 + 8 + 40 = 666.

It is a super-2 number, since 2×5571339840² = 62079655225542451200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 91333410 + ... + 91333470.

Almost surely, 2^5571339840 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 5571339840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11259190080).

5571339840 is an abundant number, since it is smaller than the sum of its proper divisors (16947040320).

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

5571339840 is a wasteful number, since it uses less digits than its factorization.

5571339840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 5571339840 is about 74641.4083468419. The cubic root of 5571339840 is about 1772.7733597916.

The spelling of 5571339840 in words is "five billion, five hundred seventy-one million, three hundred thirty-nine thousand, eight hundred forty".