40442044 has 6 divisors (see below), whose sum is σ = 70773584. Its totient is φ = 20221020.

The previous prime is 40442009. The next prime is 40442057. The reversal of 40442044 is 44024404.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055252 + ... + 5055259.

Almost surely, 2^40442044 is an apocalyptic number.

It is an amenable number.

40442044 is a deficient number, since it is larger than the sum of its proper divisors (30331540).

40442044 is a wasteful number, since it uses less digits than its factorization.

40442044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110515 (or 10110513 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 40442044 is about 6359.4059470991. The cubic root of 40442044 is about 343.2503845444.

Adding to 40442044 its reverse (44024404), we get a palindrome (84466448).

The spelling of 40442044 in words is "forty million, four hundred forty-two thousand, forty-four".