40494105 has 24 divisors (see below), whose sum is σ = 70921032. Its totient is φ = 21371904.

The previous prime is 40494071. The next prime is 40494109. The reversal of 40494105 is 50149404.

It can be written as a sum of positive squares in 4 ways, for example, as 8277129 + 32216976 = 2877^2 + 5676^2 .

It is not a de Polignac number, because 40494105 - 2¹¹ = 40492057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40494109) 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, 274 + ... + 9003.

It is an arithmetic number, because the mean of its divisors is an integer number (2955043).

Almost surely, 2^40494105 is an apocalyptic number.

40494105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40494105 is a deficient number, since it is larger than the sum of its proper divisors (30426927).

40494105 is a wasteful number, since it uses less digits than its factorization.

40494105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385 (or 9382 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40494105 is about 6363.4978588823. The cubic root of 40494105 is about 343.3976100058.

The spelling of 40494105 in words is "forty million, four hundred ninety-four thousand, one hundred five".