40216255 has 16 divisors (see below), whose sum is σ = 51886080. Its totient is φ = 29827872.

The previous prime is 40216219. The next prime is 40216273. The reversal of 40216255 is 55261204.

It is not a de Polignac number, because 40216255 - 2²³ = 31827647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (3242880).

Almost surely, 2^40216255 is an apocalyptic number.

40216255 is a deficient number, since it is larger than the sum of its proper divisors (11669825).

40216255 is a wasteful number, since it uses less digits than its factorization.

40216255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 40216255 is about 6341.6287340083. The cubic root of 40216255 is about 342.6104000577.

Adding to 40216255 its reverse (55261204), we get a palindrome (95477459).

The spelling of 40216255 in words is "forty million, two hundred sixteen thousand, two hundred fifty-five".