650263926 has 64 divisors (see below), whose sum is σ = 1463454720. Its totient is φ = 191237760.

The previous prime is 650263919. The next prime is 650263927. The reversal of 650263926 is 629362056.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650263927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231591 + ... + 234381.

It is an arithmetic number, because the mean of its divisors is an integer number (22866480).

Almost surely, 2^650263926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650263926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731727360).

650263926 is an abundant number, since it is smaller than the sum of its proper divisors (813190794).

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

650263926 is a wasteful number, since it uses less digits than its factorization.

650263926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 650263926 is about 25500.2730573616. The cubic root of 650263926 is about 866.3563320515.

The spelling of 650263926 in words is "six hundred fifty million, two hundred sixty-three thousand, nine hundred twenty-six".