1081944446 has 16 divisors (see below), whose sum is σ = 1771046640. Its totient is φ = 491628480.

The previous prime is 1081944439. The next prime is 1081944527. The reversal of 1081944446 is 6444491801.

It is a congruent number.

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, 80180 + ... + 92696.

It is an arithmetic number, because the mean of its divisors is an integer number (110690415).

Almost surely, 2^1081944446 is an apocalyptic number.

1081944446 is a deficient number, since it is larger than the sum of its proper divisors (689102194).

1081944446 is a wasteful number, since it uses less digits than its factorization.

1081944446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16459.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1081944446 is about 32892.9239502967. The cubic root of 1081944446 is about 1026.6009314230.

The spelling of 1081944446 in words is "one billion, eighty-one million, nine hundred forty-four thousand, four hundred forty-six".