5304321990 has 128 divisors (see below), whose sum is σ = 15454333440. Its totient is φ = 1283932800.

The previous prime is 5304321977. The next prime is 5304322057. The reversal of 5304321990 is 991234035.

It is a happy number.

5304321990 is a `hidden beast` number, since 5 + 30 + 432 + 199 + 0 = 666.

It is a congruent number.

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, 3239452 + ... + 3241088.

It is an arithmetic number, because the mean of its divisors is an integer number (120736980).

Almost surely, 2^5304321990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5304321990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7727166720).

5304321990 is an abundant number, since it is smaller than the sum of its proper divisors (10150011450).

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

5304321990 is a wasteful number, since it uses less digits than its factorization.

5304321990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 5304321990 is about 72830.7763929508. The cubic root of 5304321990 is about 1743.9872000137.

The spelling of 5304321990 in words is "five billion, three hundred four million, three hundred twenty-one thousand, nine hundred ninety".