40003230020 has 24 divisors (see below), whose sum is σ = 90468843864. Its totient is φ = 14770423296.

The previous prime is 40003230013. The next prime is 40003230031. The reversal of 40003230020 is 2003230004.

It can be written as a sum of positive squares in 4 ways, for example, as 412577344 + 39590652676 = 20312^2 + 198974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40003229977 and 40003230004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76929029 + ... + 76929548.

It is an arithmetic number, because the mean of its divisors is an integer number (3769535161).

Almost surely, 2^40003230020 is an apocalyptic number.

It is an amenable number.

40003230020 is an abundant number, since it is smaller than the sum of its proper divisors (50465613844).

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

40003230020 is a wasteful number, since it uses less digits than its factorization.

40003230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153858599 (or 153858597 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 40003230020 its reverse (2003230004), we get a palindrome (42006460024).

The spelling of 40003230020 in words is "forty billion, three million, two hundred thirty thousand, twenty".