40841943 has 8 divisors (see below), whose sum is σ = 54822000. Its totient is φ = 27044928.

The previous prime is 40841923. The next prime is 40841981. The reversal of 40841943 is 34914804.

It is a happy number.

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

It is not a de Polignac number, because 40841943 - 2¹⁴ = 40825559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40841903) 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, 45238 + ... + 46131.

It is an arithmetic number, because the mean of its divisors is an integer number (6852750).

Almost surely, 2^40841943 is an apocalyptic number.

40841943 is a deficient number, since it is larger than the sum of its proper divisors (13980057).

40841943 is a wasteful number, since it uses less digits than its factorization.

40841943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91521.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 40841943 is about 6390.7701413836. The cubic root of 40841943 is about 344.3780519008.

The spelling of 40841943 in words is "forty million, eight hundred forty-one thousand, nine hundred forty-three".