501040005 has 32 divisors (see below), whose sum is σ = 821736576. Its totient is φ = 260592384.

The previous prime is 501039991. The next prime is 501040021. The reversal of 501040005 is 500040105.

It is not a de Polignac number, because 501040005 - 2¹⁰ = 501038981 is a prime.

It is a super-2 number, since 2×501040005² = 502082173220800050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135714 + ... + 139356.

It is an arithmetic number, because the mean of its divisors is an integer number (25679268).

Almost surely, 2^501040005 is an apocalyptic number.

It is an amenable number.

501040005 is a deficient number, since it is larger than the sum of its proper divisors (320696571).

501040005 is a wasteful number, since it uses less digits than its factorization.

501040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 501040005 is about 22383.9229135556. The cubic root of 501040005 is about 794.2504465571.

Adding to 501040005 its product of nonzero digits (100), we get a palindrome (501040105).

The spelling of 501040005 in words is "five hundred one million, forty thousand, five".