40153683 has 4 divisors (see below), whose sum is σ = 53538248. Its totient is φ = 26769120.

The previous prime is 40153667. The next prime is 40153691. The reversal of 40153683 is 38635104.

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

It is not a de Polignac number, because 40153683 - 2⁴ = 40153667 is a prime.

It is a super-2 number, since 2×40153683² = 3224636516928978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40153683.

It is not an unprimeable number, because it can be changed into a prime (40154683) 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, 6692278 + ... + 6692283.

It is an arithmetic number, because the mean of its divisors is an integer number (13384562).

Almost surely, 2^40153683 is an apocalyptic number.

40153683 is a deficient number, since it is larger than the sum of its proper divisors (13384565).

40153683 is a wasteful number, since it uses less digits than its factorization.

40153683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13384564.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40153683 is about 6336.6933806205. The cubic root of 40153683 is about 342.4326199880.

Adding to 40153683 its reverse (38635104), we get a palindrome (78788787).

The spelling of 40153683 in words is "forty million, one hundred fifty-three thousand, six hundred eighty-three".