40052506 has 8 divisors (see below), whose sum is σ = 64700244. Its totient is φ = 18485760.

The previous prime is 40052489. The next prime is 40052521. The reversal of 40052506 is 60525004.

It can be written as a sum of positive squares in 2 ways, for example, as 38750625 + 1301881 = 6225^2 + 1141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770215 + ... + 770266.

Almost surely, 2^40052506 is an apocalyptic number.

40052506 is a deficient number, since it is larger than the sum of its proper divisors (24647738).

40052506 is a wasteful number, since it uses less digits than its factorization.

40052506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540496.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40052506 is about 6328.7049228100. The cubic root of 40052506 is about 342.1447639032.

The spelling of 40052506 in words is "forty million, fifty-two thousand, five hundred six".