400011042043002 has 48 divisors (see below), whose sum is σ = 867048751899648. Its totient is φ = 122973386889600.

The previous prime is 400011042042967. The next prime is 400011042043037. The reversal of 400011042043002 is 200340240110004.

It is an interprime number because it is at equal distance from previous prime (400011042042967) and next prime (400011042043037).

It is a self number, because there is not a number n which added to its sum of digits gives 400011042043002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170200483 + ... + 172534710.

It is an arithmetic number, because the mean of its divisors is an integer number (18063515664576).

Almost surely, 2^{400011042043002} is an apocalyptic number.

400011042043002 is an abundant number, since it is smaller than the sum of its proper divisors (467037709856646).

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

400011042043002 is a wasteful number, since it uses less digits than its factorization.

400011042043002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342736375 (or 342736362 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 400011042043002 its reverse (200340240110004), we get a palindrome (600351282153006).

The spelling of 400011042043002 in words is "four hundred trillion, eleven billion, forty-two million, forty-three thousand, two".