40423330004 has 24 divisors (see below), whose sum is σ = 70862297856. Its totient is φ = 20176992000.

The previous prime is 40423329979. The next prime is 40423330007. The reversal of 40423330004 is 40003332404.

It is a happy number.

It is a super-2 number, since 2×40423330004² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423330007) 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, 7651844 + ... + 7657124.

It is an arithmetic number, because the mean of its divisors is an integer number (2952595744).

Almost surely, 2^40423330004 is an apocalyptic number.

It is an amenable number.

40423330004 is a deficient number, since it is larger than the sum of its proper divisors (30438967852).

40423330004 is a wasteful number, since it uses less digits than its factorization.

40423330004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40423330004 its reverse (40003332404), we get a palindrome (80426662408).

The spelling of 40423330004 in words is "forty billion, four hundred twenty-three million, three hundred thirty thousand, four".