40433685 has 16 divisors (see below), whose sum is σ = 66925440. Its totient is φ = 20820800.

The previous prime is 40433681. The next prime is 40433689. The reversal of 40433685 is 58633404.

It is an interprime number because it is at equal distance from previous prime (40433681) and next prime (40433689).

It is not a de Polignac number, because 40433685 - 2² = 40433681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46041 + ... + 46910.

It is an arithmetic number, because the mean of its divisors is an integer number (4182840).

Almost surely, 2^40433685 is an apocalyptic number.

It is an amenable number.

40433685 is a deficient number, since it is larger than the sum of its proper divisors (26491755).

40433685 is a wasteful number, since it uses less digits than its factorization.

40433685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92988.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 40433685 is about 6358.7486976606. The cubic root of 40433685 is about 343.2267340116.

The spelling of 40433685 in words is "forty million, four hundred thirty-three thousand, six hundred eighty-five".