200402444424455 has 64 divisors (see below), whose sum is σ = 315418874093568. Its totient is φ = 118751450526720.

The previous prime is 200402444424401. The next prime is 200402444424473. The reversal of 200402444424455 is 554424444204002.

It is a de Polignac number, because none of the positive numbers 2^k-200402444424455 is a prime.

It is a super-2 number, since 2×200402444424455² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203229206 + ... + 204212915.

It is an arithmetic number, because the mean of its divisors is an integer number (4928419907712).

Almost surely, 2^{200402444424455} is an apocalyptic number.

200402444424455 is a deficient number, since it is larger than the sum of its proper divisors (115016429669113).

200402444424455 is a wasteful number, since it uses less digits than its factorization.

200402444424455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407442216.

The product of its (nonzero) digits is 3276800, while the sum is 44.

Adding to 200402444424455 its reverse (554424444204002), we get a palindrome (754826888628457).

The spelling of 200402444424455 in words is "two hundred trillion, four hundred two billion, four hundred forty-four million, four hundred twenty-four thousand, four hundred fifty-five".