53420414304340 has 144 divisors (see below), whose sum is σ = 128008946963520. Its totient is φ = 18609638906880.

The previous prime is 53420414304329. The next prime is 53420414304407. The reversal of 53420414304340 is 4340341402435.

It is a super-2 number, since 2×53420414304340² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53420414304340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9708355 + ... + 14180725.

It is an arithmetic number, because the mean of its divisors is an integer number (888951020580).

Almost surely, 2^{53420414304340} 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 53420414304340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64004473481760).

53420414304340 is an abundant number, since it is smaller than the sum of its proper divisors (74588532659180).

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

53420414304340 is a wasteful number, since it uses less digits than its factorization.

53420414304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472502 (or 4472457 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 53420414304340 its reverse (4340341402435), we get a palindrome (57760755706775).

The spelling of 53420414304340 in words is "fifty-three trillion, four hundred twenty billion, four hundred fourteen million, three hundred four thousand, three hundred forty".