1085409268 has 48 divisors (see below), whose sum is σ = 2066226624. Its totient is φ = 496903680.

The previous prime is 1085409239. The next prime is 1085409271. The reversal of 1085409268 is 8629045801.

It is a happy number.

It is a super-2 number, since 2×1085409268² = 2356226558120591648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926323 + ... + 927493.

It is an arithmetic number, because the mean of its divisors is an integer number (43046388).

Almost surely, 2^1085409268 is an apocalyptic number.

It is an amenable number.

1085409268 is a deficient number, since it is larger than the sum of its proper divisors (980817356).

1085409268 is a wasteful number, since it uses less digits than its factorization.

1085409268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1085409268 is about 32945.5500485270. The cubic root of 1085409268 is about 1027.6956269579.

The spelling of 1085409268 in words is "one billion, eighty-five million, four hundred nine thousand, two hundred sixty-eight".