40067441 has 4 divisors (see below), whose sum is σ = 40336500. Its totient is φ = 39798384.

The previous prime is 40067429. The next prime is 40067459. The reversal of 40067441 is 14476004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 38390416 = 1295^2 + 6196^2 .

It is a cyclic number.

It is not a de Polignac number, because 40067441 - 2¹⁰ = 40066417 is a prime.

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 40067441.

It is not an unprimeable number, because it can be changed into a prime (40067341) 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, 134306 + ... + 134603.

It is an arithmetic number, because the mean of its divisors is an integer number (10084125).

Almost surely, 2^40067441 is an apocalyptic number.

It is an amenable number.

40067441 is a deficient number, since it is larger than the sum of its proper divisors (269059).

40067441 is a wasteful number, since it uses less digits than its factorization.

40067441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269058.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40067441 is about 6329.8847540852. The cubic root of 40067441 is about 342.1872855624.

The spelling of 40067441 in words is "forty million, sixty-seven thousand, four hundred forty-one".