210144431004144 has 160 divisors (see below), whose sum is σ = 671842971631104. Its totient is φ = 55116504069120.

The previous prime is 210144431004119. The next prime is 210144431004169. The reversal of 210144431004144 is 441400134441012.

It is an interprime number because it is at equal distance from previous prime (210144431004119) and next prime (210144431004169).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132109914 + ... + 133691129.

Almost surely, 2^{210144431004144} is an apocalyptic number.

210144431004144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210144431004144 is an abundant number, since it is smaller than the sum of its proper divisors (461698540626960).

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

210144431004144 is a wasteful number, since it uses less digits than its factorization.

210144431004144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265801255 (or 265801249 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 210144431004144 its reverse (441400134441012), we get a palindrome (651544565445156).

The spelling of 210144431004144 in words is "two hundred ten trillion, one hundred forty-four billion, four hundred thirty-one million, four thousand, one hundred forty-four".