501204050642 has 64 divisors (see below), whose sum is σ = 791071142400. Its totient is φ = 237853620480.

The previous prime is 501204050639. The next prime is 501204050647. The reversal of 501204050642 is 246050402105.

It is a super-2 number, since 2×501204050642² (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 not an unprimeable number, because it can be changed into a prime (501204050647) 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 31 ways as a sum of consecutive naturals, for example, 683770508 + ... + 683771240.

It is an arithmetic number, because the mean of its divisors is an integer number (12360486600).

Almost surely, 2^501204050642 is an apocalyptic number.

501204050642 is a deficient number, since it is larger than the sum of its proper divisors (289867091758).

501204050642 is a wasteful number, since it uses less digits than its factorization.

501204050642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 501204050642 its reverse (246050402105), we get a palindrome (747254452747).

The spelling of 501204050642 in words is "five hundred one billion, two hundred four million, fifty thousand, six hundred forty-two".