40889286 has 40 divisors (see below), whose sum is σ = 92756664. Its totient is φ = 13461120.

The previous prime is 40889281. The next prime is 40889297. The reversal of 40889286 is 68298804.

It is a happy number.

It is a super-3 number, since 3×40889286³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40889281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11926 + ... + 14966.

Almost surely, 2^40889286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40889286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46378332).

40889286 is an abundant number, since it is smaller than the sum of its proper divisors (51867378).

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

40889286 is a wasteful number, since it uses less digits than its factorization.

40889286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 40889286 is about 6394.4730822797. The cubic root of 40889286 is about 344.5110654425.

The spelling of 40889286 in words is "forty million, eight hundred eighty-nine thousand, two hundred eighty-six".