40340310404 has 12 divisors (see below), whose sum is σ = 71752847628. Its totient is φ = 19839496800.

The previous prime is 40340310401. The next prime is 40340310473. The reversal of 40340310404 is 40401304304.

It can be written as a sum of positive squares in 2 ways, for example, as 19675672900 + 20664637504 = 140270^2 + 143752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40340310404.

It is not an unprimeable number, because it can be changed into a prime (40340310401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82664327 + ... + 82664814.

It is an arithmetic number, because the mean of its divisors is an integer number (5979403969).

Almost surely, 2^40340310404 is an apocalyptic number.

It is an amenable number.

40340310404 is a deficient number, since it is larger than the sum of its proper divisors (31412537224).

40340310404 is a wasteful number, since it uses less digits than its factorization.

40340310404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165329206 (or 165329204 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40340310404 its reverse (40401304304), we get a palindrome (80741614708).

The spelling of 40340310404 in words is "forty billion, three hundred forty million, three hundred ten thousand, four hundred four".