40315544 has 16 divisors (see below), whose sum is σ = 75664800. Its totient is φ = 20138272.

The previous prime is 40315543. The next prime is 40315579. The reversal of 40315544 is 44551304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315543) 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, 10202 + ... + 13590.

It is an arithmetic number, because the mean of its divisors is an integer number (4729050).

Almost surely, 2^40315544 is an apocalyptic number.

It is an amenable number.

40315544 is a deficient number, since it is larger than the sum of its proper divisors (35349256).

40315544 is a wasteful number, since it uses less digits than its factorization.

40315544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40315544 is about 6349.4522598410. The cubic root of 40315544 is about 342.8921226877.

Adding to 40315544 its reverse (44551304), we get a palindrome (84866848).

The spelling of 40315544 in words is "forty million, three hundred fifteen thousand, five hundred forty-four".