40043466 has 48 divisors (see below), whose sum is σ = 92798784. Its totient is φ = 12435072.

The previous prime is 40043417. The next prime is 40043467. The reversal of 40043466 is 66434004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40043467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32131 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (1933308).

Almost surely, 2^40043466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40043466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46399392).

40043466 is an abundant number, since it is smaller than the sum of its proper divisors (52755318).

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

40043466 is a wasteful number, since it uses less digits than its factorization.

40043466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40043466 is about 6327.9906763522. The cubic root of 40043466 is about 342.1190208498.

The spelling of 40043466 in words is "forty million, forty-three thousand, four hundred sixty-six".