2631145221444 has 48 divisors (see below), whose sum is σ = 6305795046656. Its totient is φ = 853272921600.

The previous prime is 2631145221437. The next prime is 2631145221451. The reversal of 2631145221444 is 4441225411362.

2631145221444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2631145221437) and next prime (2631145221451).

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, 5192949 + ... + 5677059.

Almost surely, 2^{2631145221444} is an apocalyptic number.

It is an amenable number.

2631145221444 is an abundant number, since it is smaller than the sum of its proper divisors (3674649825212).

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

2631145221444 is a wasteful number, since it uses less digits than its factorization.

2631145221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496396 (or 496394 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The spelling of 2631145221444 in words is "two trillion, six hundred thirty-one billion, one hundred forty-five million, two hundred twenty-one thousand, four hundred forty-four".