53440215434000 has 160 divisors (see below), whose sum is σ = 129411517847040. Its totient is φ = 21344170752000.

The previous prime is 53440215433937. The next prime is 53440215434033. The reversal of 53440215434000 is 43451204435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4365667880 + ... + 4365680120.

It is an arithmetic number, because the mean of its divisors is an integer number (808821986544).

Almost surely, 2^{53440215434000} is an apocalyptic number.

53440215434000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53440215434000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64705758923520).

53440215434000 is an abundant number, since it is smaller than the sum of its proper divisors (75971302413040).

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

53440215434000 is a wasteful number, since it uses less digits than its factorization.

53440215434000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15346 (or 15330 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 53440215434000 its reverse (43451204435), we get a palindrome (53483666638435).

The spelling of 53440215434000 in words is "fifty-three trillion, four hundred forty billion, two hundred fifteen million, four hundred thirty-four thousand".