1082278404 has 27 divisors (see below), whose sum is σ = 2736258343. Its totient is φ = 360693672.

The previous prime is 1082278397. The next prime is 1082278423. The reversal of 1082278404 is 4048722801.

The square root of 1082278404 is 32898.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 194647 + ... + 200129.

Almost surely, 2^1082278404 is an apocalyptic number.

1082278404 is the 32898-th square number.

It is an amenable number.

1082278404 is an abundant number, since it is smaller than the sum of its proper divisors (1653979939).

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

1082278404 is an frugal number, since it uses more digits than its factorization.

1082278404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976 (or 5488 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The cubic root of 1082278404 is about 1026.7065456952.

Multiplying 1082278404 by its sum of digits (36), we get a square (38962022544 = 197388²).

1082278404 divided by its sum of digits (36) gives a square (30063289 = 5483²).

The spelling of 1082278404 in words is "one billion, eighty-two million, two hundred seventy-eight thousand, four hundred four".