40216444 has 6 divisors (see below), whose sum is σ = 70378784. Its totient is φ = 20108220.

The previous prime is 40216433. The next prime is 40216469. The reversal of 40216444 is 44461204.

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, 5027052 + ... + 5027059.

Almost surely, 2^40216444 is an apocalyptic number.

It is an amenable number.

40216444 is a deficient number, since it is larger than the sum of its proper divisors (30162340).

40216444 is a wasteful number, since it uses less digits than its factorization.

40216444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054115 (or 10054113 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 40216444 is about 6341.6436355254. The cubic root of 40216444 is about 342.6109367666.

Adding to 40216444 its reverse (44461204), we get a palindrome (84677648).

The spelling of 40216444 in words is "forty million, two hundred sixteen thousand, four hundred forty-four".