650397488 has 40 divisors (see below), whose sum is σ = 1376224416. Its totient is φ = 295948800.

The previous prime is 650397487. The next prime is 650397523. The reversal of 650397488 is 884793056.

It is not an unprimeable number, because it can be changed into a prime (650397487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7253 + ... + 36788.

Almost surely, 2^650397488 is an apocalyptic number.

It is an amenable number.

650397488 is an abundant number, since it is smaller than the sum of its proper divisors (725826928).

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

650397488 is a wasteful number, since it uses less digits than its factorization.

650397488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44133 (or 44127 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 650397488 is about 25502.8917576027. The cubic root of 650397488 is about 866.4156435395.

It can be divided in two parts, 65039 and 7488, that added together give a palindrome (72527).

The spelling of 650397488 in words is "six hundred fifty million, three hundred ninety-seven thousand, four hundred eighty-eight".