40063873 has 4 divisors (see below), whose sum is σ = 41356288. Its totient is φ = 38771460.

The previous prime is 40063843. The next prime is 40063879. The reversal of 40063873 is 37836004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40063873 - 2¹⁷ = 39932801 is a prime.

It is a super-2 number, since 2×40063873² = 3210227839520258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1292383 = 40063873 / (4 + 0 + 0 + 6 + 3 + 8 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40063879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646161 + ... + 646222.

It is an arithmetic number, because the mean of its divisors is an integer number (10339072).

Almost surely, 2^40063873 is an apocalyptic number.

It is an amenable number.

40063873 is a deficient number, since it is larger than the sum of its proper divisors (1292415).

40063873 is a wasteful number, since it uses less digits than its factorization.

40063873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292414.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40063873 is about 6329.6029101358. The cubic root of 40063873 is about 342.1771280177.

Adding to 40063873 its reverse (37836004), we get a palindrome (77899877).

The spelling of 40063873 in words is "forty million, sixty-three thousand, eight hundred seventy-three".