2144504431020 has 48 divisors (see below), whose sum is σ = 6862414180608. Its totient is φ = 490172441280.

The previous prime is 2144504430979. The next prime is 2144504431033. The reversal of 2144504431020 is 201344054412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2552981046 + ... + 2552981885.

It is an arithmetic number, because the mean of its divisors is an integer number (142966962096).

Almost surely, 2^{2144504431020} is an apocalyptic number.

2144504431020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144504431020 is an abundant number, since it is smaller than the sum of its proper divisors (4717909749588).

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

2144504431020 is a wasteful number, since it uses less digits than its factorization.

2144504431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105962950 (or 5105962948 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2144504431020 its reverse (201344054412), we get a palindrome (2345848485432).

The spelling of 2144504431020 in words is "two trillion, one hundred forty-four billion, five hundred four million, four hundred thirty-one thousand, twenty".