40040023001 has 12 divisors (see below), whose sum is σ = 44947343616. Its totient is φ = 35625547320.

The previous prime is 40040022937. The next prime is 40040023013. The reversal of 40040023001 is 10032004004.

It is not a de Polignac number, because 40040023001 - 2⁶ = 40040022937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40040023201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3514625 + ... + 3525998.

It is an arithmetic number, because the mean of its divisors is an integer number (3745611968).

Almost surely, 2^40040023001 is an apocalyptic number.

It is an amenable number.

40040023001 is a deficient number, since it is larger than the sum of its proper divisors (4907320615).

40040023001 is a wasteful number, since it uses less digits than its factorization.

40040023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040692 (or 7040681 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 40040023001 its reverse (10032004004), we get a palindrome (50072027005).

The spelling of 40040023001 in words is "forty billion, forty million, twenty-three thousand, one".