40861087 has 8 divisors (see below), whose sum is σ = 44108640. Its totient is φ = 37736160.

The previous prime is 40861063. The next prime is 40861097. The reversal of 40861087 is 78016804.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40861087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40861097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29964 + ... + 31297.

It is an arithmetic number, because the mean of its divisors is an integer number (5513580).

Almost surely, 2^40861087 is an apocalyptic number.

40861087 is a deficient number, since it is larger than the sum of its proper divisors (3247553).

40861087 is a wasteful number, since it uses less digits than its factorization.

40861087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61313.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 40861087 is about 6392.2677509629. The cubic root of 40861087 is about 344.4318507092.

The spelling of 40861087 in words is "forty million, eight hundred sixty-one thousand, eighty-seven".