5390432820 has 192 divisors, whose sum is σ = 17245347840. Its totient is φ = 1397160576.

The previous prime is 5390432809. The next prime is 5390432821. The reversal of 5390432820 is 282340935.

5390432820 is a `hidden beast` number, since 539 + 0 + 43 + 2 + 82 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5390432821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4136289 + ... + 4137591.

It is an arithmetic number, because the mean of its divisors is an integer number (89819520).

Almost surely, 2^5390432820 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 5390432820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8622673920).

5390432820 is an abundant number, since it is smaller than the sum of its proper divisors (11854915020).

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

5390432820 is a wasteful number, since it uses less digits than its factorization.

5390432820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 5390432820 is about 73419.5670104367. The cubic root of 5390432820 is about 1753.3739339954.

The spelling of 5390432820 in words is "five billion, three hundred ninety million, four hundred thirty-two thousand, eight hundred twenty".