633642001050 has 96 divisors (see below), whose sum is σ = 1622821847040. Its totient is φ = 163450123200.

The previous prime is 633642000989. The next prime is 633642001067. The reversal of 633642001050 is 50100246336.

It is a super-2 number, since 2×633642001050² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 633642000999 and 633642001017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11238831 + ... + 11295069.

It is an arithmetic number, because the mean of its divisors is an integer number (16904394240).

Almost surely, 2^633642001050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633642001050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811410923520).

633642001050 is an abundant number, since it is smaller than the sum of its proper divisors (989179845990).

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

633642001050 is a wasteful number, since it uses less digits than its factorization.

633642001050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58708 (or 58703 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 633642001050 its reverse (50100246336), we get a palindrome (683742247386).

The spelling of 633642001050 in words is "six hundred thirty-three billion, six hundred forty-two million, one thousand, fifty".