213054550440444 has 96 divisors (see below), whose sum is σ = 561425044275200. Its totient is φ = 69853172921280.

The previous prime is 213054550440437. The next prime is 213054550440451. The reversal of 213054550440444 is 444044055450312.

213054550440444 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 54 + 550 + 4 + 4 + 0 + 4 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (213054550440437) and next prime (213054550440451).

It is a self number, because there is not a number n which added to its sum of digits gives 213054550440444.

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, 1121439549 + ... + 1121629515.

Almost surely, 2^{213054550440444} is an apocalyptic number.

It is an amenable number.

213054550440444 is an abundant number, since it is smaller than the sum of its proper divisors (348370493834756).

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

213054550440444 is a wasteful number, since it uses less digits than its factorization.

213054550440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360280 (or 360272 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 45.

The spelling of 213054550440444 in words is "two hundred thirteen trillion, fifty-four billion, five hundred fifty million, four hundred forty thousand, four hundred forty-four".