40446286 has 8 divisors (see below), whose sum is σ = 61524144. Its totient is φ = 19938240.

The previous prime is 40446283. The next prime is 40446299. The reversal of 40446286 is 68264404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446283) 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, 142275 + ... + 142558.

It is an arithmetic number, because the mean of its divisors is an integer number (7690518).

Almost surely, 2^40446286 is an apocalyptic number.

40446286 is a deficient number, since it is larger than the sum of its proper divisors (21077858).

40446286 is a wasteful number, since it uses less digits than its factorization.

40446286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284906.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 40446286 is about 6359.7394600722. The cubic root of 40446286 is about 343.2623853987.

The spelling of 40446286 in words is "forty million, four hundred forty-six thousand, two hundred eighty-six".