52142041664420 has 192 divisors, whose sum is σ = 112295262643200. Its totient is φ = 20332306176000.

The previous prime is 52142041664413. The next prime is 52142041664423. The reversal of 52142041664420 is 2446614024125.

It is a super-2 number, since 2×52142041664420² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52142041664423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74382370070 + ... + 74382370770.

It is an arithmetic number, because the mean of its divisors is an integer number (584871159600).

Almost surely, 2^{52142041664420} is an apocalyptic number.

It is an amenable number.

52142041664420 is an abundant number, since it is smaller than the sum of its proper divisors (60153220978780).

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

52142041664420 is a wasteful number, since it uses less digits than its factorization.

52142041664420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

Adding to 52142041664420 its reverse (2446614024125), we get a palindrome (54588655688545).

The spelling of 52142041664420 in words is "fifty-two trillion, one hundred forty-two billion, forty-one million, six hundred sixty-four thousand, four hundred twenty".