40422506 has 4 divisors (see below), whose sum is σ = 60633762. Its totient is φ = 20211252.

The previous prime is 40422497. The next prime is 40422521. The reversal of 40422506 is 60522404.

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., 40386025 + 36481 = 6355^2 + 191^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105625 + ... + 10105628.

Almost surely, 2^40422506 is an apocalyptic number.

40422506 is a deficient number, since it is larger than the sum of its proper divisors (20211256).

40422506 is a wasteful number, since it uses less digits than its factorization.

40422506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211255.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40422506 is about 6357.8696117489. The cubic root of 40422506 is about 343.1950996180.

The spelling of 40422506 in words is "forty million, four hundred twenty-two thousand, five hundred six".