53340221421444 has 48 divisors (see below), whose sum is σ = 126577885573440. Its totient is φ = 17477630002560.

The previous prime is 53340221421437. The next prime is 53340221421467. The reversal of 53340221421444 is 44412412204335.

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, 9094042 + ... + 13761614.

It is an arithmetic number, because the mean of its divisors is an integer number (2637039282780).

Almost surely, 2^{53340221421444} is an apocalyptic number.

It is an amenable number.

53340221421444 is an abundant number, since it is smaller than the sum of its proper divisors (73237664151996).

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

53340221421444 is a wasteful number, since it uses less digits than its factorization.

53340221421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683780 (or 4683778 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 53340221421444 its reverse (44412412204335), we get a palindrome (97752633625779).

The spelling of 53340221421444 in words is "fifty-three trillion, three hundred forty billion, two hundred twenty-one million, four hundred twenty-one thousand, four hundred forty-four".