4520304561390 has 128 divisors (see below), whose sum is σ = 11412982259712. Its totient is φ = 1143586604160.

The previous prime is 4520304561371. The next prime is 4520304561427. The reversal of 4520304561390 is 931654030254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181038687 + ... + 181063653.

It is an arithmetic number, because the mean of its divisors is an integer number (89163923904).

Almost surely, 2^{4520304561390} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4520304561390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5706491129856).

4520304561390 is an abundant number, since it is smaller than the sum of its proper divisors (6892677698322).

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

4520304561390 is a wasteful number, since it uses less digits than its factorization.

4520304561390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27134.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 4520304561390 in words is "four trillion, five hundred twenty billion, three hundred four million, five hundred sixty-one thousand, three hundred ninety".