200400220040 has 32 divisors (see below), whose sum is σ = 450943395480. Its totient is φ = 80152461312.

The previous prime is 200400220021. The next prime is 200400220051. The reversal of 200400220040 is 40022004002.

It is a happy number.

200400220040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 173637223204 + 26762996836 = 416698^2 + 163594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200400219997 and 200400220024.

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, 197162 + ... + 663078.

Almost surely, 2^200400220040 is an apocalyptic number.

200400220040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200400220040 is an abundant number, since it is smaller than the sum of its proper divisors (250543175440).

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

200400220040 is a wasteful number, since it uses less digits than its factorization.

200400220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476681 (or 476677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 200400220040 its reverse (40022004002), we get a palindrome (240422224042).

The spelling of 200400220040 in words is "two hundred billion, four hundred million, two hundred twenty thousand, forty".