40003432004 has 12 divisors (see below), whose sum is σ = 70311710700. Its totient is φ = 19914371808.

The previous prime is 40003431961. The next prime is 40003432009. The reversal of 40003432004 is 40023430004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21939534400 + 18063897604 = 148120^2 + 134402^2 .

It is not an unprimeable number, because it can be changed into a prime (40003432009) 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, 21835019 + ... + 21836850.

It is an arithmetic number, because the mean of its divisors is an integer number (5859309225).

Almost surely, 2^40003432004 is an apocalyptic number.

It is an amenable number.

40003432004 is a deficient number, since it is larger than the sum of its proper divisors (30308278696).

40003432004 is a wasteful number, since it uses less digits than its factorization.

40003432004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43672102 (or 43672100 counting only the distinct ones).

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

Adding to 40003432004 its reverse (40023430004), we get a palindrome (80026862008).

The spelling of 40003432004 in words is "forty billion, three million, four hundred thirty-two thousand, four".