400043240202 has 16 divisors (see below), whose sum is σ = 847150391232. Its totient is φ = 125503761600.

The previous prime is 400043240183. The next prime is 400043240203. The reversal of 400043240202 is 202042340004.

It is not an unprimeable number, because it can be changed into a prime (400043240203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960996174 + ... + 1960996377.

It is an arithmetic number, because the mean of its divisors is an integer number (52946899452).

Almost surely, 2^400043240202 is an apocalyptic number.

400043240202 is an abundant number, since it is smaller than the sum of its proper divisors (447107151030).

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

400043240202 is a wasteful number, since it uses less digits than its factorization.

400043240202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921992573.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 400043240202 its reverse (202042340004), we get a palindrome (602085580206).

The spelling of 400043240202 in words is "four hundred billion, forty-three million, two hundred forty thousand, two hundred two".