501046840 has 64 divisors (see below), whose sum is σ = 1300305600. Its totient is φ = 170201088.

The previous prime is 501046829. The next prime is 501046873. The reversal of 501046840 is 48640105.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 501046799 and 501046808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22312 + ... + 38728.

It is an arithmetic number, because the mean of its divisors is an integer number (20317275).

Almost surely, 2^501046840 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 501046840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650152800).

501046840 is an abundant number, since it is smaller than the sum of its proper divisors (799258760).

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

501046840 is a wasteful number, since it uses less digits than its factorization.

501046840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16544 (or 16540 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 501046840 is about 22384.0755895793. The cubic root of 501046840 is about 794.2540581630.

Adding to 501046840 its reverse (48640105), we get a palindrome (549686945).

The spelling of 501046840 in words is "five hundred one million, forty-six thousand, eight hundred forty".