40430023044 has 24 divisors (see below), whose sum is σ = 94348561440. Its totient is φ = 13474982784.

The previous prime is 40430023037. The next prime is 40430023057. The reversal of 40430023044 is 44032003404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109909 + ... + 304860.

It is an arithmetic number, because the mean of its divisors is an integer number (3931190060).

Almost surely, 2^40430023044 is an apocalyptic number.

It is an amenable number.

40430023044 is an abundant number, since it is smaller than the sum of its proper divisors (53918538396).

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

40430023044 is a wasteful number, since it uses less digits than its factorization.

40430023044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422899 (or 422897 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 40430023044 its reverse (44032003404), we get a palindrome (84462026448).

The spelling of 40430023044 in words is "forty billion, four hundred thirty million, twenty-three thousand, forty-four".