501034380 has 144 divisors (see below), whose sum is σ = 1762494720. Its totient is φ = 104100480.

The previous prime is 501034379. The next prime is 501034451. The reversal of 501034380 is 83430105.

It is a self number, because there is not a number n which added to its sum of digits gives 501034380.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45891 + ... + 55749.

Almost surely, 2^501034380 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 501034380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881247360).

501034380 is an abundant number, since it is smaller than the sum of its proper divisors (1261460340).

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

501034380 is a wasteful number, since it uses less digits than its factorization.

501034380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 501034380 is about 22383.7972649861. The cubic root of 501034380 is about 794.2474742891.

Adding to 501034380 its reverse (83430105), we get a palindrome (584464485).

The spelling of 501034380 in words is "five hundred one million, thirty-four thousand, three hundred eighty".