40456266 has 16 divisors (see below), whose sum is σ = 81005664. Its totient is φ = 13469904.

The previous prime is 40456261. The next prime is 40456267. The reversal of 40456266 is 66265404.

It is not an unprimeable number, because it can be changed into a prime (40456261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601 + ... + 9363.

It is an arithmetic number, because the mean of its divisors is an integer number (5062854).

Almost surely, 2^40456266 is an apocalyptic number.

40456266 is an abundant number, since it is smaller than the sum of its proper divisors (40549398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40456266 is a wasteful number, since it uses less digits than its factorization.

40456266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7765.

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

The square root of 40456266 is about 6360.5240350147. The cubic root of 40456266 is about 343.2906160655.

The spelling of 40456266 in words is "forty million, four hundred fifty-six thousand, two hundred sixty-six".