42940441 has 8 divisors (see below), whose sum is σ = 44157960. Its totient is φ = 41738112.

The previous prime is 42940427. The next prime is 42940451. The reversal of 42940441 is 14404924.

It can be written as a sum of positive squares in 4 ways, for example, as 4748041 + 38192400 = 2179^2 + 6180^2 .

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 42940441 - 2⁵ = 42940409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42940451) 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, 2061 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (5519745).

Almost surely, 2^42940441 is an apocalyptic number.

It is an amenable number.

42940441 is a deficient number, since it is larger than the sum of its proper divisors (1217519).

42940441 is a wasteful number, since it uses less digits than its factorization.

42940441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 42940441 is about 6552.8956194952. The cubic root of 42940441 is about 350.1779802274.

The spelling of 42940441 in words is "forty-two million, nine hundred forty thousand, four hundred forty-one".