1648834848 has 72 divisors (see below), whose sum is σ = 4815631548. Its totient is φ = 534753792.

The previous prime is 1648834807. The next prime is 1648834849. The reversal of 1648834848 is 8484388461.

It can be written as a sum of positive squares in 2 ways, for example, as 1588181904 + 60652944 = 39852^2 + 7788^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1648834794 and 1648834803.

It is not an unprimeable number, because it can be changed into a prime (1648834849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66711 + ... + 88022.

Almost surely, 2^1648834848 is an apocalyptic number.

1648834848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1648834848 is an abundant number, since it is smaller than the sum of its proper divisors (3166796700).

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

1648834848 is a wasteful number, since it uses less digits than its factorization.

1648834848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154786 (or 154775 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 54.

The square root of 1648834848 is about 40605.8474606798. The cubic root of 1648834848 is about 1181.3875394733.

The spelling of 1648834848 in words is "one billion, six hundred forty-eight million, eight hundred thirty-four thousand, eight hundred forty-eight".