40006630234 has 4 divisors (see below), whose sum is σ = 60009945354. Its totient is φ = 20003315116.

The previous prime is 40006630231. The next prime is 40006630241. The reversal of 40006630234 is 43203660004.

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., 28174629609 + 11832000625 = 167853^2 + 108775^2 .

It is not an unprimeable number, because it can be changed into a prime (40006630231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001657557 + ... + 10001657560.

Almost surely, 2^40006630234 is an apocalyptic number.

40006630234 is a deficient number, since it is larger than the sum of its proper divisors (20003315120).

40006630234 is a wasteful number, since it uses less digits than its factorization.

40006630234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20003315119.

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 40006630234 in words is "forty billion, six million, six hundred thirty thousand, two hundred thirty-four".