200400435135455 has 8 divisors (see below), whose sum is σ = 240480680328432. Its totient is φ = 160320242664448.

The previous prime is 200400435135451. The next prime is 200400435135473. The reversal of 200400435135455 is 554531534004002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200400435135455 - 2² = 200400435135451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200400435135451) 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, 4270562 + ... + 20470431.

It is an arithmetic number, because the mean of its divisors is an integer number (30060085041054).

Almost surely, 2^{200400435135455} is an apocalyptic number.

200400435135455 is a deficient number, since it is larger than the sum of its proper divisors (40080245192977).

200400435135455 is a wasteful number, since it uses less digits than its factorization.

200400435135455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26360985.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 200400435135455 its reverse (554531534004002), we get a palindrome (754931969139457).

The spelling of 200400435135455 in words is "two hundred trillion, four hundred billion, four hundred thirty-five million, one hundred thirty-five thousand, four hundred fifty-five".