501040506 has 8 divisors (see below), whose sum is σ = 1002081024. Its totient is φ = 167013500.

The previous prime is 501040493. The next prime is 501040523. The reversal of 501040506 is 605040105.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

501040506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41753370 + ... + 41753381.

It is an arithmetic number, because the mean of its divisors is an integer number (125260128).

Almost surely, 2^501040506 is an apocalyptic number.

501040506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

501040506 is a wasteful number, since it uses less digits than its factorization.

501040506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83506756.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 501040506 is about 22383.9341046207. The cubic root of 501040506 is about 794.2507112860.

The spelling of 501040506 in words is "five hundred one million, forty thousand, five hundred six".