40041340 has 24 divisors (see below), whose sum is σ = 84207312. Its totient is φ = 15993600.

The previous prime is 40041319. The next prime is 40041359. The reversal of 40041340 is 4314004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23187 + ... + 24853.

It is an arithmetic number, because the mean of its divisors is an integer number (3508638).

Almost surely, 2^40041340 is an apocalyptic number.

It is an amenable number.

40041340 is an abundant number, since it is smaller than the sum of its proper divisors (44165972).

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

40041340 is a wasteful number, since it uses less digits than its factorization.

40041340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40041340 is about 6327.8226903098. The cubic root of 40041340 is about 342.1129661133.

Adding to 40041340 its reverse (4314004), we get a palindrome (44355344).

The spelling of 40041340 in words is "forty million, forty-one thousand, three hundred forty".