1088268444 has 36 divisors (see below), whose sum is σ = 2784051816. Its totient is φ = 358384608.

The previous prime is 1088268443. The next prime is 1088268463. The reversal of 1088268444 is 4448628801.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1088268444² = 2368656412412362272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1088268444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088268443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179119 + ... + 185094.

Almost surely, 2^1088268444 is an apocalyptic number.

It is an amenable number.

1088268444 is an abundant number, since it is smaller than the sum of its proper divisors (1695783372).

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

1088268444 is a wasteful number, since it uses less digits than its factorization.

1088268444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364306 (or 364301 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The square root of 1088268444 is about 32988.9139560550. The cubic root of 1088268444 is about 1028.5972181695.

The spelling of 1088268444 in words is "one billion, eighty-eight million, two hundred sixty-eight thousand, four hundred forty-four".