40050706 has 4 divisors (see below), whose sum is σ = 60076062. Its totient is φ = 20025352.

The previous prime is 40050679. The next prime is 40050707. The reversal of 40050706 is 60705004.

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., 21483225 + 18567481 = 4635^2 + 4309^2 .

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 not an unprimeable number, because it can be changed into a prime (40050707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012675 + ... + 10012678.

Almost surely, 2^40050706 is an apocalyptic number.

40050706 is a deficient number, since it is larger than the sum of its proper divisors (20025356).

40050706 is a wasteful number, since it uses less digits than its factorization.

40050706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025355.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40050706 is about 6328.5627120224. The cubic root of 40050706 is about 342.1396383828.

The spelling of 40050706 in words is "forty million, fifty thousand, seven hundred six".