501140404 has 12 divisors (see below), whose sum is σ = 897391264. Its totient is φ = 244742904.

The previous prime is 501140377. The next prime is 501140407. The reversal of 501140404 is 404041105.

It is a super-2 number, since 2×501140404² = 502283409042566432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501140407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456632 + ... + 1456975.

Almost surely, 2^501140404 is an apocalyptic number.

It is an amenable number.

501140404 is a deficient number, since it is larger than the sum of its proper divisors (396250860).

501140404 is a wasteful number, since it uses less digits than its factorization.

501140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913654 (or 2913652 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 501140404 is about 22386.1654599442. The cubic root of 501140404 is about 794.3034939679.

Adding to 501140404 its reverse (404041105), we get a palindrome (905181509).

The spelling of 501140404 in words is "five hundred one million, one hundred forty thousand, four hundred four".