650480138 has 16 divisors (see below), whose sum is σ = 1216482624. Its totient is φ = 253433760.

The previous prime is 650480119. The next prime is 650480167. The reversal of 650480138 is 831084056.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 650480098 and 650480107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111795 + ... + 2112102.

It is an arithmetic number, because the mean of its divisors is an integer number (76030164).

Almost surely, 2^650480138 is an apocalyptic number.

650480138 is a deficient number, since it is larger than the sum of its proper divisors (566002486).

650480138 is a wasteful number, since it uses less digits than its factorization.

650480138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223917.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 650480138 is about 25504.5121106051. The cubic root of 650480138 is about 866.4523422359.

The spelling of 650480138 in words is "six hundred fifty million, four hundred eighty thousand, one hundred thirty-eight".