442153540544 has 56 divisors (see below), whose sum is σ = 927171638160. Its totient is φ = 208626057216.

The previous prime is 442153540541. The next prime is 442153540603. The reversal of 442153540544 is 445045351244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442153540541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394907 + ... + 1019930.

Almost surely, 2^442153540544 is an apocalyptic number.

It is an amenable number.

442153540544 is an abundant number, since it is smaller than the sum of its proper divisors (485018097616).

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

442153540544 is a wasteful number, since it uses less digits than its factorization.

442153540544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415125 (or 1415115 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 442153540544 its reverse (445045351244), we get a palindrome (887198891788).

The spelling of 442153540544 in words is "four hundred forty-two billion, one hundred fifty-three million, five hundred forty thousand, five hundred forty-four".