40441599 has 20 divisors (see below), whose sum is σ = 65906280. Its totient is φ = 24509520.

The previous prime is 40441591. The next prime is 40441619. The reversal of 40441599 is 99514404.

It is a happy number.

It is not a de Polignac number, because 40441599 - 2³ = 40441591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441591) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21804 + ... + 23585.

It is an arithmetic number, because the mean of its divisors is an integer number (3295314).

Almost surely, 2^40441599 is an apocalyptic number.

40441599 is a deficient number, since it is larger than the sum of its proper divisors (25464681).

40441599 is a wasteful number, since it uses less digits than its factorization.

40441599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45412 (or 45403 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40441599 is about 6359.3709594582. The cubic root of 40441599 is about 343.2491255660.

The spelling of 40441599 in words is "forty million, four hundred forty-one thousand, five hundred ninety-nine".