53042400444 has 96 divisors (see below), whose sum is σ = 138457912320. Its totient is φ = 15664665600.

The previous prime is 53042400431. The next prime is 53042400461. The reversal of 53042400444 is 44400424035.

53042400444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5618352 + ... + 5627784.

It is an arithmetic number, because the mean of its divisors is an integer number (1442269920).

Almost surely, 2^53042400444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53042400444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69228956160).

53042400444 is an abundant number, since it is smaller than the sum of its proper divisors (85415511876).

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

53042400444 is a wasteful number, since it uses less digits than its factorization.

53042400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531 (or 10529 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 53042400444 its reverse (44400424035), we get a palindrome (97442824479).

The spelling of 53042400444 in words is "fifty-three billion, forty-two million, four hundred thousand, four hundred forty-four".