5921128320 has 128 divisors (see below), whose sum is σ = 19068769440. Its totient is φ = 1562640384.

The previous prime is 5921128319. The next prime is 5921128321. The reversal of 5921128320 is 238211295.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5921128319) and next prime (5921128321).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5921128321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170344 + ... + 202136.

Almost surely, 2^5921128320 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 5921128320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9534384720).

5921128320 is an abundant number, since it is smaller than the sum of its proper divisors (13147641120).

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

5921128320 is a wasteful number, since it uses less digits than its factorization.

5921128320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31912 (or 31900 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 5921128320 is about 76948.8682177977. The cubic root of 5921128320 is about 1809.1232610716.

The spelling of 5921128320 in words is "five billion, nine hundred twenty-one million, one hundred twenty-eight thousand, three hundred twenty".