650700042 has 16 divisors (see below), whose sum is σ = 1301916672. Its totient is φ = 216813920.

The previous prime is 650700023. The next prime is 650700059. The reversal of 650700042 is 240007056.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 650699985 and 650700021.

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 7 ways as a sum of consecutive naturals, for example, 4059 + ... + 36302.

It is an arithmetic number, because the mean of its divisors is an integer number (81369792).

Almost surely, 2^650700042 is an apocalyptic number.

650700042 is an abundant number, since it is smaller than the sum of its proper divisors (651216630).

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

650700042 is a wasteful number, since it uses less digits than its factorization.

650700042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43053.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 650700042 is about 25508.8228266222. The cubic root of 650700042 is about 866.5499700535.

Adding to 650700042 its reverse (240007056), we get a palindrome (890707098).

The spelling of 650700042 in words is "six hundred fifty million, seven hundred thousand, forty-two".