1653478448 has 20 divisors (see below), whose sum is σ = 3208496280. Its totient is φ = 825479424.

The previous prime is 1653478447. The next prime is 1653478483. The reversal of 1653478448 is 8448743561.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1653478396 and 1653478405.

It is not an unprimeable number, because it can be changed into a prime (1653478447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67865 + ... + 88952.

It is an arithmetic number, because the mean of its divisors is an integer number (160424814).

Almost surely, 2^1653478448 is an apocalyptic number.

It is an amenable number.

1653478448 is a deficient number, since it is larger than the sum of its proper divisors (1555017832).

1653478448 is a wasteful number, since it uses less digits than its factorization.

1653478448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157484 (or 157478 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The square root of 1653478448 is about 40662.9862159680. The cubic root of 1653478448 is about 1182.4955439672.

The spelling of 1653478448 in words is "one billion, six hundred fifty-three million, four hundred seventy-eight thousand, four hundred forty-eight".