40144883 has 2 divisors, whose sum is σ = 40144884. Its totient is φ = 40144882.

The previous prime is 40144879. The next prime is 40144901. The reversal of 40144883 is 38844104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40144883 - 2² = 40144879 is a prime.

It is a super-2 number, since 2×40144883² = 3223223262167378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40144873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20072441 + 20072442.

It is an arithmetic number, because the mean of its divisors is an integer number (20072442).

Almost surely, 2^40144883 is an apocalyptic number.

40144883 is a deficient number, since it is larger than the sum of its proper divisors (1).

40144883 is an equidigital number, since it uses as much as digits as its factorization.

40144883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40144883 is about 6335.9989741161. The cubic root of 40144883 is about 342.4076025467.

Adding to 40144883 its reverse (38844104), we get a palindrome (78988987).

The spelling of 40144883 in words is "forty million, one hundred forty-four thousand, eight hundred eighty-three".