40843445 has 8 divisors (see below), whose sum is σ = 51591840. Its totient is φ = 30954960.

The previous prime is 40843417. The next prime is 40843447. The reversal of 40843445 is 54434804.

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

It is not a de Polignac number, because 40843445 - 2⁸ = 40843189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40843447) 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, 214871 + ... + 215060.

It is an arithmetic number, because the mean of its divisors is an integer number (6448980).

Almost surely, 2^40843445 is an apocalyptic number.

It is an amenable number.

40843445 is a deficient number, since it is larger than the sum of its proper divisors (10748395).

40843445 is a wasteful number, since it uses less digits than its factorization.

40843445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429955.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 40843445 is about 6390.8876535267. The cubic root of 40843445 is about 344.3822734555.

The spelling of 40843445 in words is "forty million, eight hundred forty-three thousand, four hundred forty-five".