202455231044 has 24 divisors (see below), whose sum is σ = 406847834400. Its totient is φ = 87181678080.

The previous prime is 202455230977. The next prime is 202455231061. The reversal of 202455231044 is 440132554202.

It is a self number, because there is not a number n which added to its sum of digits gives 202455231044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121084829 + ... + 121086500.

It is an arithmetic number, because the mean of its divisors is an integer number (16951993100).

Almost surely, 2^202455231044 is an apocalyptic number.

It is an amenable number.

202455231044 is an abundant number, since it is smaller than the sum of its proper divisors (204392603356).

202455231044 is a wasteful number, since it uses less digits than its factorization.

202455231044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242171363 (or 242171361 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 202455231044 its reverse (440132554202), we get a palindrome (642587785246).

The spelling of 202455231044 in words is "two hundred two billion, four hundred fifty-five million, two hundred thirty-one thousand, forty-four".