501046420 has 24 divisors (see below), whose sum is σ = 1202511744. Its totient is φ = 171787296.

The previous prime is 501046417. The next prime is 501046433. The reversal of 501046420 is 24640105.

It is a junction number, because it is equal to n+sod(n) for n = 501046391 and 501046400.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1789312 + ... + 1789591.

It is an arithmetic number, because the mean of its divisors is an integer number (50104656).

Almost surely, 2^501046420 is an apocalyptic number.

It is an amenable number.

501046420 is an abundant number, since it is smaller than the sum of its proper divisors (701465324).

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

501046420 is a wasteful number, since it uses less digits than its factorization.

501046420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578919 (or 3578917 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 501046420 is about 22384.0662079078. The cubic root of 501046420 is about 794.2538362364.

Adding to 501046420 its reverse (24640105), we get a palindrome (525686525).

The spelling of 501046420 in words is "five hundred one million, forty-six thousand, four hundred twenty".