650042430 has 96 divisors (see below), whose sum is σ = 1690691616. Its totient is φ = 159399936.

The previous prime is 650042429. The next prime is 650042431. The reversal of 650042430 is 34240056.

It is an interprime number because it is at equal distance from previous prime (650042429) and next prime (650042431).

It is a self number, because there is not a number n which added to its sum of digits gives 650042430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650042431) 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 47 ways as a sum of consecutive naturals, for example, 1126302 + ... + 1126878.

It is an arithmetic number, because the mean of its divisors is an integer number (17611371).

Almost surely, 2^650042430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650042430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845345808).

650042430 is an abundant number, since it is smaller than the sum of its proper divisors (1040649186).

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

650042430 is a wasteful number, since it uses less digits than its factorization.

650042430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 650042430 is about 25495.9296751462. The cubic root of 650042430 is about 866.2579534053.

Adding to 650042430 its reverse (34240056), we get a palindrome (684282486).

The spelling of 650042430 in words is "six hundred fifty million, forty-two thousand, four hundred thirty".