40441556 has 12 divisors (see below), whose sum is σ = 70875168. Its totient is φ = 20191512.

The previous prime is 40441553. The next prime is 40441559. The reversal of 40441556 is 65514404.

It is an interprime number because it is at equal distance from previous prime (40441553) and next prime (40441559).

It is a super-2 number, since 2×40441556² = 3271038903402272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4046 + ... + 9861.

It is an arithmetic number, because the mean of its divisors is an integer number (5906264).

Almost surely, 2^40441556 is an apocalyptic number.

It is an amenable number.

40441556 is a deficient number, since it is larger than the sum of its proper divisors (30433612).

40441556 is a wasteful number, since it uses less digits than its factorization.

40441556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638 (or 14636 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40441556 is about 6359.3675786197. The cubic root of 40441556 is about 343.2490039114.

The spelling of 40441556 in words is "forty million, four hundred forty-one thousand, five hundred fifty-six".