40031030401 has 4 divisors (see below), whose sum is σ = 40157311572. Its totient is φ = 39904749232.

The previous prime is 40031030387. The next prime is 40031030447. The reversal of 40031030401 is 10403013004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11079667600 + 28951362801 = 105260^2 + 170151^2 .

It is a cyclic number.

It is not a de Polignac number, because 40031030401 - 2¹⁷ = 40030899329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40031034401) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 63140110 + ... + 63140743.

It is an arithmetic number, because the mean of its divisors is an integer number (10039327893).

Almost surely, 2^40031030401 is an apocalyptic number.

It is an amenable number.

40031030401 is a deficient number, since it is larger than the sum of its proper divisors (126281171).

40031030401 is a wasteful number, since it uses less digits than its factorization.

40031030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126281170.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40031030401 its reverse (10403013004), we get a palindrome (50434043405).

The spelling of 40031030401 in words is "forty billion, thirty-one million, thirty thousand, four hundred one".