1088894444 has 24 divisors (see below), whose sum is σ = 2095177728. Its totient is φ = 491052240.

The previous prime is 1088894431. The next prime is 1088894453. The reversal of 1088894444 is 4444988801.

It is a happy number.

It is a super-2 number, since 2×1088894444² = 2371382220348138272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1088894392 and 1088894401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91844 + ... + 103019.

It is an arithmetic number, because the mean of its divisors is an integer number (87299072).

Almost surely, 2^1088894444 is an apocalyptic number.

It is an amenable number.

1088894444 is a deficient number, since it is larger than the sum of its proper divisors (1006283284).

1088894444 is a wasteful number, since it uses less digits than its factorization.

1088894444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195005 (or 195003 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 50.

The square root of 1088894444 is about 32998.4006279092. The cubic root of 1088894444 is about 1028.7944055573.

The spelling of 1088894444 in words is "one billion, eighty-eight million, eight hundred ninety-four thousand, four hundred forty-four".