53422940142 has 144 divisors (see below), whose sum is σ = 137646547584. Its totient is φ = 14874710400.

The previous prime is 53422940141. The next prime is 53422940177. The reversal of 53422940142 is 24104922435.

It is a happy number.

53422940142 is a `hidden beast` number, since 5 + 3 + 422 + 94 + 0 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53422940097 and 53422940106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53422940141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6309792 + ... + 6318252.

Almost surely, 2^53422940142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53422940142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68823273792).

53422940142 is an abundant number, since it is smaller than the sum of its proper divisors (84223607442).

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

53422940142 is a wasteful number, since it uses less digits than its factorization.

53422940142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8727 (or 8713 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 53422940142 in words is "fifty-three billion, four hundred twenty-two million, nine hundred forty thousand, one hundred forty-two".