40315575 has 48 divisors (see below), whose sum is σ = 69209856. Its totient is φ = 20697600.

The previous prime is 40315543. The next prime is 40315579. The reversal of 40315575 is 57551304.

It is not a de Polignac number, because 40315575 - 2⁵ = 40315543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315579) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 356719 + ... + 356831.

It is an arithmetic number, because the mean of its divisors is an integer number (1441872).

Almost surely, 2^40315575 is an apocalyptic number.

40315575 is a deficient number, since it is larger than the sum of its proper divisors (28894281).

40315575 is a wasteful number, since it uses less digits than its factorization.

40315575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 40315575 is about 6349.4547009960. The cubic root of 40315575 is about 342.8922105748.

Adding to 40315575 its reverse (57551304), we get a palindrome (97866879).

It can be divided in two parts, 40 and 315575, that added together give a triangular number (315615 = T₇₉₄).

The spelling of 40315575 in words is "forty million, three hundred fifteen thousand, five hundred seventy-five".