400210400202042 has 16 divisors (see below), whose sum is σ = 800435142191520. Its totient is φ = 133401076436112.

The previous prime is 400210400201993. The next prime is 400210400202091. The reversal of 400210400202042 is 240202004012004.

It is an interprime number because it is at equal distance from previous prime (400210400201993) and next prime (400210400202091).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597211692 + ... + 597881447.

It is an arithmetic number, because the mean of its divisors is an integer number (50027196386970).

Almost surely, 2^{400210400202042} is an apocalyptic number.

400210400202042 is an abundant number, since it is smaller than the sum of its proper divisors (400224741989478).

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

400210400202042 is a wasteful number, since it uses less digits than its factorization.

400210400202042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195148957.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 400210400202042 its reverse (240202004012004), we get a palindrome (640412404214046).

The spelling of 400210400202042 in words is "four hundred trillion, two hundred ten billion, four hundred million, two hundred two thousand, forty-two".