40417255 has 4 divisors (see below), whose sum is σ = 48500712. Its totient is φ = 32333800.

The previous prime is 40417243. The next prime is 40417259. The reversal of 40417255 is 55271404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40417255 - 2⁷ = 40417127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40417259) 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, 4041721 + ... + 4041730.

It is an arithmetic number, because the mean of its divisors is an integer number (12125178).

Almost surely, 2^40417255 is an apocalyptic number.

40417255 is a deficient number, since it is larger than the sum of its proper divisors (8083457).

40417255 is an equidigital number, since it uses as much as digits as its factorization.

40417255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083456.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 40417255 is about 6357.4566455462. The cubic root of 40417255 is about 343.1802382970.

Adding to 40417255 its reverse (55271404), we get a palindrome (95688659).

The spelling of 40417255 in words is "forty million, four hundred seventeen thousand, two hundred fifty-five".