40995431 has 4 divisors (see below), whose sum is σ = 41167200. Its totient is φ = 40823664.

The previous prime is 40995403. The next prime is 40995457. The reversal of 40995431 is 13459904.

40995431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40995431 - 2¹⁰ = 40994407 is a prime.

It is a super-2 number, since 2×40995431² = 3361250725751522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40995391 and 40995400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40995631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85526 + ... + 86003.

It is an arithmetic number, because the mean of its divisors is an integer number (10291800).

Almost surely, 2^40995431 is an apocalyptic number.

40995431 is a deficient number, since it is larger than the sum of its proper divisors (171769).

40995431 is a wasteful number, since it uses less digits than its factorization.

40995431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171768.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 40995431 is about 6402.7674485335. The cubic root of 40995431 is about 344.8089146969.

The spelling of 40995431 in words is "forty million, nine hundred ninety-five thousand, four hundred thirty-one".