40441836 has 12 divisors (see below), whose sum is σ = 94364312. Its totient is φ = 13480608.

The previous prime is 40441831. The next prime is 40441837. The reversal of 40441836 is 63814404.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40441831) 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, 1685065 + ... + 1685088.

Almost surely, 2^40441836 is an apocalyptic number.

It is an amenable number.

40441836 is an abundant number, since it is smaller than the sum of its proper divisors (53922476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40441836 is a wasteful number, since it uses less digits than its factorization.

40441836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370160 (or 3370158 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40441836 is about 6359.3895933493. The cubic root of 40441836 is about 343.2497960793.

The spelling of 40441836 in words is "forty million, four hundred forty-one thousand, eight hundred thirty-six".