1048496805 has 30 divisors (see below), whose sum is σ = 1880696466. Its totient is φ = 558850752.

The previous prime is 1048496789. The next prime is 1048496809. The reversal of 1048496805 is 5086948401.

1048496805 is a `hidden beast` number, since 1 + 0 + 484 + 96 + 80 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 701084484 + 347412321 = 26478^2 + 18639^2 .

It is not a de Polignac number, because 1048496805 - 2⁴ = 1048496789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048496809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 650841 + ... + 652449.

Almost surely, 2^1048496805 is an apocalyptic number.

1048496805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1048496805 is a deficient number, since it is larger than the sum of its proper divisors (832199661).

1048496805 is an frugal number, since it uses more digits than its factorization.

1048496805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 1048496805 is about 32380.5003821745. The cubic root of 1048496805 is about 1015.9110959909.

Multiplying 1048496805 by its sum of digits (45), we get a square (47182356225 = 217215²).

1048496805 divided by its sum of digits (45) gives a square (23299929 = 4827²).

The spelling of 1048496805 in words is "one billion, forty-eight million, four hundred ninety-six thousand, eight hundred five".