400200020242 has 32 divisors (see below), whose sum is σ = 677537395200. Its totient is φ = 175614902400.

The previous prime is 400200020219. The next prime is 400200020273. The reversal of 400200020242 is 242020002004.

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, 5906734 + ... + 5974102.

It is an arithmetic number, because the mean of its divisors is an integer number (21173043600).

Almost surely, 2^400200020242 is an apocalyptic number.

400200020242 is a deficient number, since it is larger than the sum of its proper divisors (277337374958).

400200020242 is a wasteful number, since it uses less digits than its factorization.

400200020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76722.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 400200020242 its reverse (242020002004), we get a palindrome (642220022246).

The spelling of 400200020242 in words is "four hundred billion, two hundred million, twenty thousand, two hundred forty-two".