40423442304 has 64 divisors (see below), whose sum is σ = 122714029440. Its totient is φ = 11549554176.

The previous prime is 40423442303. The next prime is 40423442329. The reversal of 40423442304 is 40324432404.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423442303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7516554 + ... + 7521929.

It is an arithmetic number, because the mean of its divisors is an integer number (1917406710).

Almost surely, 2^40423442304 is an apocalyptic number.

It is an amenable number.

40423442304 is an abundant number, since it is smaller than the sum of its proper divisors (82290587136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40423442304 is a wasteful number, since it uses less digits than its factorization.

40423442304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15038507 (or 15038495 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40423442304 its reverse (40324432404), we get a palindrome (80747874708).

The spelling of 40423442304 in words is "forty billion, four hundred twenty-three million, four hundred forty-two thousand, three hundred four".