202104240144 has 40 divisors (see below), whose sum is σ = 534244547232. Its totient is φ = 65801379840.

The previous prime is 202104240139. The next prime is 202104240161. The reversal of 202104240144 is 441042401202.

It is a super-2 number, since 2×202104240144² (a number of 23 digits) contains 22 as substring.

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

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, 48957297 + ... + 48961424.

Almost surely, 2^202104240144 is an apocalyptic number.

202104240144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202104240144 is an abundant number, since it is smaller than the sum of its proper divisors (332140307088).

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

202104240144 is a wasteful number, since it uses less digits than its factorization.

202104240144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97918775 (or 97918769 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 202104240144 its reverse (441042401202), we get a palindrome (643146641346).

The spelling of 202104240144 in words is "two hundred two billion, one hundred four million, two hundred forty thousand, one hundred forty-four".