40163235 has 16 divisors (see below), whose sum is σ = 73441536. Its totient is φ = 18360288.

The previous prime is 40163191. The next prime is 40163237. The reversal of 40163235 is 53236104.

It is a happy number.

It is not a de Polignac number, because 40163235 - 2¹² = 40159139 is a prime.

It is a super-2 number, since 2×40163235² = 3226170891330450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40163237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191149 + ... + 191358.

It is an arithmetic number, because the mean of its divisors is an integer number (4590096).

Almost surely, 2^40163235 is an apocalyptic number.

40163235 is a deficient number, since it is larger than the sum of its proper divisors (33278301).

40163235 is a wasteful number, since it uses less digits than its factorization.

40163235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382522.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40163235 is about 6337.4470411988. The cubic root of 40163235 is about 342.4597711466.

Adding to 40163235 its reverse (53236104), we get a palindrome (93399339).

It can be divided in two parts, 401 and 63235, that added together give a palindrome (63636).

The spelling of 40163235 in words is "forty million, one hundred sixty-three thousand, two hundred thirty-five".