40845357 has 16 divisors (see below), whose sum is σ = 69156480. Its totient is φ = 23340096.

The previous prime is 40845353. The next prime is 40845443. The reversal of 40845357 is 75354804.

40845357 is a `hidden beast` number, since 40 + 84 + 535 + 7 = 666.

It is not a de Polignac number, because 40845357 - 2² = 40845353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40845353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107868 + ... + 108245.

It is an arithmetic number, because the mean of its divisors is an integer number (4322280).

Almost surely, 2^40845357 is an apocalyptic number.

It is an amenable number.

40845357 is a deficient number, since it is larger than the sum of its proper divisors (28311123).

40845357 is a wasteful number, since it uses less digits than its factorization.

40845357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216129 (or 216123 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 40845357 is about 6391.0372397601. The cubic root of 40845357 is about 344.3876472156.

The spelling of 40845357 in words is "forty million, eight hundred forty-five thousand, three hundred fifty-seven".