40861266 has 32 divisors (see below), whose sum is σ = 84448320. Its totient is φ = 13172544.

The previous prime is 40861253. The next prime is 40861279. The reversal of 40861266 is 66216804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40861253) and next prime (40861279).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27396 + ... + 28848.

It is an arithmetic number, because the mean of its divisors is an integer number (2639010).

Almost surely, 2^40861266 is an apocalyptic number.

40861266 is an abundant number, since it is smaller than the sum of its proper divisors (43587054).

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

40861266 is a wasteful number, since it uses less digits than its factorization.

40861266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 40861266 is about 6392.2817522384. The cubic root of 40861266 is about 344.4323536589.

The spelling of 40861266 in words is "forty million, eight hundred sixty-one thousand, two hundred sixty-six".