1630442124 has 72 divisors (see below), whose sum is σ = 4307546880. Its totient is φ = 519010272.

The previous prime is 1630442071. The next prime is 1630442131. The reversal of 1630442124 is 4212440361.

It is a happy number.

1630442124 is a `hidden beast` number, since 1 + 630 + 4 + 4 + 2 + 1 + 24 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 693519 + ... + 695865.

It is an arithmetic number, because the mean of its divisors is an integer number (59827040).

Almost surely, 2^1630442124 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 1630442124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153773440).

1630442124 is an abundant number, since it is smaller than the sum of its proper divisors (2677104756).

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

1630442124 is a wasteful number, since it uses less digits than its factorization.

1630442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1630442124 is about 40378.7335611210. The cubic root of 1630442124 is about 1176.9783178677.

Adding to 1630442124 its reverse (4212440361), we get a palindrome (5842882485).

The spelling of 1630442124 in words is "one billion, six hundred thirty million, four hundred forty-two thousand, one hundred twenty-four".