501133143040 has 88 divisors (see below), whose sum is σ = 1211310481392. Its totient is φ = 198922813440.

The previous prime is 501133143031. The next prime is 501133143073. The reversal of 501133143040 is 40341331105.

It is a super-2 number, since 2×501133143040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501133142996 and 501133143014.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 297142 + ... + 1044298.

It is an arithmetic number, because the mean of its divisors is an integer number (13764891834).

Almost surely, 2^501133143040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501133143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605655240696).

501133143040 is an abundant number, since it is smaller than the sum of its proper divisors (710177338352).

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

501133143040 is a wasteful number, since it uses less digits than its factorization.

501133143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747313 (or 747295 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 501133143040 its reverse (40341331105), we get a palindrome (541474474145).

The spelling of 501133143040 in words is "five hundred one billion, one hundred thirty-three million, one hundred forty-three thousand, forty".