40494106 has 4 divisors (see below), whose sum is σ = 60741162. Its totient is φ = 20247052.

The previous prime is 40494071. The next prime is 40494109. The reversal of 40494106 is 60149404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32959081 + 7535025 = 5741^2 + 2745^2 .

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 as a sum of consecutive naturals, namely, 10123525 + ... + 10123528.

Almost surely, 2^40494106 is an apocalyptic number.

40494106 is a deficient number, since it is larger than the sum of its proper divisors (20247056).

40494106 is a wasteful number, since it uses less digits than its factorization.

40494106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20247055.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40494106 is about 6363.4979374555. The cubic root of 40494106 is about 343.3976128325.

The spelling of 40494106 in words is "forty million, four hundred ninety-four thousand, one hundred six".