501401634030 has 192 divisors, whose sum is σ = 1475520254208. Its totient is φ = 121495023360.

The previous prime is 501401634023. The next prime is 501401634047. The reversal of 501401634030 is 30436104105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 501401633985 and 501401634003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 98176737 + ... + 98181843.

It is an arithmetic number, because the mean of its divisors is an integer number (7685001324).

Almost surely, 2^501401634030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501401634030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737760127104).

501401634030 is an abundant number, since it is smaller than the sum of its proper divisors (974118620178).

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

501401634030 is a wasteful number, since it uses less digits than its factorization.

501401634030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813 (or 8801 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 501401634030 its reverse (30436104105), we get a palindrome (531837738135).

The spelling of 501401634030 in words is "five hundred one billion, four hundred one million, six hundred thirty-four thousand, thirty".