1085404544 has 32 divisors (see below), whose sum is σ = 2471235600. Its totient is φ = 465172992.

The previous prime is 1085404531. The next prime is 1085404577. The reversal of 1085404544 is 4454045801.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 604799 + ... + 606590.

Almost surely, 2^1085404544 is an apocalyptic number.

1085404544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1085404544 is an abundant number, since it is smaller than the sum of its proper divisors (1385831056).

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

1085404544 is an equidigital number, since it uses as much as digits as its factorization.

1085404544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211410 (or 1211398 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 1085404544 is about 32945.4783543964. The cubic root of 1085404544 is about 1027.6941360177.

The spelling of 1085404544 in words is "one billion, eighty-five million, four hundred four thousand, five hundred forty-four".