40845949 has 8 divisors (see below), whose sum is σ = 42325920. Its totient is φ = 39370800.

The previous prime is 40845919. The next prime is 40845971. The reversal of 40845949 is 94954804.

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 40845949 - 2⁷ = 40845821 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 (40845919) 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, 30994 + ... + 32284.

It is an arithmetic number, because the mean of its divisors is an integer number (5290740).

Almost surely, 2^40845949 is an apocalyptic number.

It is an amenable number.

40845949 is a deficient number, since it is larger than the sum of its proper divisors (1479971).

40845949 is a wasteful number, since it uses less digits than its factorization.

40845949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 40845949 is about 6391.0835544530. The cubic root of 40845949 is about 344.3893110237.

The spelling of 40845949 in words is "forty million, eight hundred forty-five thousand, nine hundred forty-nine".