5631067920 has 320 divisors, whose sum is σ = 18898790400. Its totient is φ = 1383444480.

The previous prime is 5631067919. The next prime is 5631067933. The reversal of 5631067920 is 297601365.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31458391 + ... + 31458569.

It is an arithmetic number, because the mean of its divisors is an integer number (59058720).

Almost surely, 2^5631067920 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 5631067920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9449395200).

5631067920 is an abundant number, since it is smaller than the sum of its proper divisors (13267722480).

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

5631067920 is a wasteful number, since it uses less digits than its factorization.

5631067920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 5631067920 is about 75040.4418963535. The cubic root of 5631067920 is about 1779.0859170706.

The spelling of 5631067920 in words is "five billion, six hundred thirty-one million, sixty-seven thousand, nine hundred twenty".