1650340928 has 28 divisors (see below), whose sum is σ = 3308669532. Its totient is φ = 816660480.

The previous prime is 1650340883. The next prime is 1650340957. The reversal of 1650340928 is 8290430561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1091113024 + 559227904 = 33032^2 + 23648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1650340891 and 1650340900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126713 + ... + 139128.

It is an arithmetic number, because the mean of its divisors is an integer number (118166769).

Almost surely, 2^1650340928 is an apocalyptic number.

It is an amenable number.

1650340928 is an abundant number, since it is smaller than the sum of its proper divisors (1658328604).

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

1650340928 is an equidigital number, since it uses as much as digits as its factorization.

1650340928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265950 (or 265940 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1650340928 is about 40624.3883400107. The cubic root of 1650340928 is about 1181.7471313154.

The spelling of 1650340928 in words is "one billion, six hundred fifty million, three hundred forty thousand, nine hundred twenty-eight".