40506034 has 4 divisors (see below), whose sum is σ = 60759054. Its totient is φ = 20253016.

The previous prime is 40506029. The next prime is 40506041. The reversal of 40506034 is 43060504.

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., 40259025 + 247009 = 6345^2 + 497^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40505996 and 40506014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126507 + ... + 10126510.

Almost surely, 2^40506034 is an apocalyptic number.

40506034 is a deficient number, since it is larger than the sum of its proper divisors (20253020).

40506034 is a wasteful number, since it uses less digits than its factorization.

40506034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20253019.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40506034 is about 6364.4350888355. The cubic root of 40506034 is about 343.4313267481.

Adding to 40506034 its reverse (43060504), we get a palindrome (83566538).

The spelling of 40506034 in words is "forty million, five hundred six thousand, thirty-four".