40456286 has 8 divisors (see below), whose sum is σ = 65352504. Its totient is φ = 18672120.

The previous prime is 40456267. The next prime is 40456289. The reversal of 40456286 is 68265404.

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

It is a super-2 number, since 2×40456286² = 3273422153827592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40456289) 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, 777980 + ... + 778031.

It is an arithmetic number, because the mean of its divisors is an integer number (8169063).

Almost surely, 2^40456286 is an apocalyptic number.

40456286 is a deficient number, since it is larger than the sum of its proper divisors (24896218).

40456286 is a wasteful number, since it uses less digits than its factorization.

40456286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556026.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 40456286 is about 6360.5256072120. The cubic root of 40456286 is about 343.2906726354.

The spelling of 40456286 in words is "forty million, four hundred fifty-six thousand, two hundred eighty-six".