501044434004 has 48 divisors (see below), whose sum is σ = 916423872000. Its totient is φ = 239390194176.

The previous prime is 501044434001. The next prime is 501044434013. The reversal of 501044434004 is 400434440105.

It is a super-2 number, since 2×501044434004² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501044434001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21219797 + ... + 21243395.

It is an arithmetic number, because the mean of its divisors is an integer number (19092164000).

Almost surely, 2^501044434004 is an apocalyptic number.

It is an amenable number.

501044434004 is a deficient number, since it is larger than the sum of its proper divisors (415379437996).

501044434004 is a wasteful number, since it uses less digits than its factorization.

501044434004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25512 (or 25510 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 501044434004 its reverse (400434440105), we get a palindrome (901478874109).

The spelling of 501044434004 in words is "five hundred one billion, forty-four million, four hundred thirty-four thousand, four".