40834845 has 24 divisors (see below), whose sum is σ = 71165952. Its totient is φ = 21660000.

The previous prime is 40834841. The next prime is 40834853. The reversal of 40834845 is 54843804.

It is not a de Polignac number, because 40834845 - 2² = 40834841 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40834841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6220 + ... + 10970.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^40834845 is an apocalyptic number.

40834845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40834845 is a deficient number, since it is larger than the sum of its proper divisors (30331107).

40834845 is a wasteful number, since it uses less digits than its factorization.

40834845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953 (or 4950 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 40834845 is about 6390.2147851226. The cubic root of 40834845 is about 344.3581007031.

It can be divided in two parts, 408 and 34845, that added together give a palindrome (35253).

The spelling of 40834845 in words is "forty million, eight hundred thirty-four thousand, eight hundred forty-five".