40003042312 has 64 divisors (see below), whose sum is σ = 80480589120. Its totient is φ = 18574553088.

The previous prime is 40003042297. The next prime is 40003042361. The reversal of 40003042312 is 21324030004.

It is a self number, because there is not a number n which added to its sum of digits gives 40003042312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3482803 + ... + 3494269.

It is an arithmetic number, because the mean of its divisors is an integer number (1257509205).

Almost surely, 2^40003042312 is an apocalyptic number.

It is an amenable number.

40003042312 is an abundant number, since it is smaller than the sum of its proper divisors (40477546808).

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

40003042312 is a wasteful number, since it uses less digits than its factorization.

40003042312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11830 (or 11826 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 40003042312 its reverse (21324030004), we get a palindrome (61327072316).

The spelling of 40003042312 in words is "forty billion, three million, forty-two thousand, three hundred twelve".