650880488 has 8 divisors (see below), whose sum is σ = 1220400930. Its totient is φ = 325440240.

The previous prime is 650880467. The next prime is 650880493. The reversal of 650880488 is 884088056.

It can be written as a sum of positive squares in only one way, i.e., 591559684 + 59320804 = 24322^2 + 7702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40680023 + ... + 40680038.

Almost surely, 2^650880488 is an apocalyptic number.

It is an amenable number.

650880488 is a deficient number, since it is larger than the sum of its proper divisors (569520442).

650880488 is a wasteful number, since it uses less digits than its factorization.

650880488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81360067 (or 81360063 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 650880488 is about 25512.3595145569. The cubic root of 650880488 is about 866.6300638059.

It can be divided in two parts, 65088048 and 8, that added together give a palindrome (65088056).

The spelling of 650880488 in words is "six hundred fifty million, eight hundred eighty thousand, four hundred eighty-eight".