5634864840 has 128 divisors (see below), whose sum is σ = 18483707520. Its totient is φ = 1362892800.

The previous prime is 5634864787. The next prime is 5634864853. The reversal of 5634864840 is 484684365.

It is a self number, because there is not a number n which added to its sum of digits gives 5634864840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598570 + ... + 607910.

It is an arithmetic number, because the mean of its divisors is an integer number (144403965).

Almost surely, 2^5634864840 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 5634864840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9241853760).

5634864840 is an abundant number, since it is smaller than the sum of its proper divisors (12848842680).

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

5634864840 is a wasteful number, since it uses less digits than its factorization.

5634864840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823 (or 9819 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The square root of 5634864840 is about 75065.7367911619. The cubic root of 5634864840 is about 1779.4856949516.

The spelling of 5634864840 in words is "five billion, six hundred thirty-four million, eight hundred sixty-four thousand, eight hundred forty".