40413634 has 4 divisors (see below), whose sum is σ = 60620454. Its totient is φ = 20206816.

The previous prime is 40413629. The next prime is 40413647. The reversal of 40413634 is 43631404.

It is a happy number.

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., 22325625 + 18088009 = 4725^2 + 4253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40413599 and 40413608.

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, 10103407 + ... + 10103410.

Almost surely, 2^40413634 is an apocalyptic number.

40413634 is a deficient number, since it is larger than the sum of its proper divisors (20206820).

40413634 is a wasteful number, since it uses less digits than its factorization.

40413634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20206819.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40413634 is about 6357.1718554716. The cubic root of 40413634 is about 343.1699894338.

The spelling of 40413634 in words is "forty million, four hundred thirteen thousand, six hundred thirty-four".