200406040440 has 64 divisors (see below), whose sum is σ = 603613503360. Its totient is φ = 53228688000.

The previous prime is 200406040379. The next prime is 200406040469. The reversal of 200406040440 is 44040604002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 200406040440.

It is a congruent number.

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, 3296674 + ... + 3356913.

It is an arithmetic number, because the mean of its divisors is an integer number (9431460990).

Almost surely, 2^200406040440 is an apocalyptic number.

200406040440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200406040440 is an abundant number, since it is smaller than the sum of its proper divisors (403207462920).

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

200406040440 is a wasteful number, since it uses less digits than its factorization.

200406040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6653852 (or 6653848 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 200406040440 its reverse (44040604002), we get a palindrome (244446644442).

The spelling of 200406040440 in words is "two hundred billion, four hundred six million, forty thousand, four hundred forty".