40216275 has 36 divisors (see below), whose sum is σ = 78585000. Its totient is φ = 19497600.

The previous prime is 40216273. The next prime is 40216277. The reversal of 40216275 is 57261204.

It is an interprime number because it is at equal distance from previous prime (40216273) and next prime (40216277).

It is not a de Polignac number, because 40216275 - 2¹ = 40216273 is a prime.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40216273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5650 + ... + 10599.

Almost surely, 2^40216275 is an apocalyptic number.

40216275 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40216275 is a deficient number, since it is larger than the sum of its proper divisors (38368725).

40216275 is a wasteful number, since it uses less digits than its factorization.

40216275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16276 (or 16268 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40216275 is about 6341.6303108901. The cubic root of 40216275 is about 342.6104568524.

Adding to 40216275 its reverse (57261204), we get a palindrome (97477479).

It can be divided in two parts, 4021 and 6275, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 40216275 in words is "forty million, two hundred sixteen thousand, two hundred seventy-five".