40430032004 has 12 divisors (see below), whose sum is σ = 70755929244. Its totient is φ = 20214052224.

The previous prime is 40430032001. The next prime is 40430032007. The reversal of 40430032004 is 40023003404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40430032001) and next prime (40430032007).

It can be written as a sum of positive squares in 2 ways, for example, as 28187052100 + 12242979904 = 167890^2 + 110648^2 .

It is not an unprimeable number, because it can be changed into a prime (40430032001) 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, 142049 + ... + 317864.

It is an arithmetic number, because the mean of its divisors is an integer number (5896327437).

Almost surely, 2^40430032004 is an apocalyptic number.

It is an amenable number.

40430032004 is a deficient number, since it is larger than the sum of its proper divisors (30325897240).

40430032004 is a wasteful number, since it uses less digits than its factorization.

40430032004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481894 (or 481892 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40430032004 its reverse (40023003404), we get a palindrome (80453035408).

The spelling of 40430032004 in words is "forty billion, four hundred thirty million, thirty-two thousand, four".