40882981 has 8 divisors (see below), whose sum is σ = 42625440. Its totient is φ = 39176592.

The previous prime is 40882979. The next prime is 40882987. The reversal of 40882981 is 18928804.

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

It is a cyclic number.

It is not a de Polignac number, because 40882981 - 2¹ = 40882979 is a prime.

It is a super-2 number, since 2×40882981² = 3342836270892722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40882987) 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, 6691 + ... + 11248.

It is an arithmetic number, because the mean of its divisors is an integer number (5328180).

Almost surely, 2^40882981 is an apocalyptic number.

It is an amenable number.

40882981 is a deficient number, since it is larger than the sum of its proper divisors (1742459).

40882981 is a wasteful number, since it uses less digits than its factorization.

40882981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18035.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 40882981 is about 6393.9800593996. The cubic root of 40882981 is about 344.4933570227.

The spelling of 40882981 in words is "forty million, eight hundred eighty-two thousand, nine hundred eighty-one".