40341861 has 16 divisors (see below), whose sum is σ = 68304000. Its totient is φ = 23052384.

The previous prime is 40341841. The next prime is 40341863. The reversal of 40341861 is 16814304.

40341861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40341861 - 2⁷ = 40341733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40341863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106536 + ... + 106913.

It is an arithmetic number, because the mean of its divisors is an integer number (4269000).

Almost surely, 2^40341861 is an apocalyptic number.

It is an amenable number.

40341861 is a deficient number, since it is larger than the sum of its proper divisors (27962139).

40341861 is a wasteful number, since it uses less digits than its factorization.

40341861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213465 (or 213459 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40341861 is about 6351.5243052357. The cubic root of 40341861 is about 342.9667169863.

The spelling of 40341861 in words is "forty million, three hundred forty-one thousand, eight hundred sixty-one".