51242230035441 has 32 divisors (see below), whose sum is σ = 78482488198400. Its totient is φ = 33018082617600.

The previous prime is 51242230035439. The next prime is 51242230035461. The reversal of 51242230035441 is 14453003224215.

It is a happy number.

51242230035441 is a `hidden beast` number, since 5 + 1 + 242 + 23 + 0 + 0 + 354 + 41 = 666.

It is not a de Polignac number, because 51242230035441 - 2¹ = 51242230035439 is a prime.

It is a super-2 number, since 2×51242230035441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51242230035396 and 51242230035405.

It is not an unprimeable number, because it can be changed into a prime (51242230035461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169695256 + ... + 169996953.

It is an arithmetic number, because the mean of its divisors is an integer number (2452577756200).

Almost surely, 2^{51242230035441} is an apocalyptic number.

It is an amenable number.

51242230035441 is a deficient number, since it is larger than the sum of its proper divisors (27240258162959).

51242230035441 is a wasteful number, since it uses less digits than its factorization.

51242230035441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339692406 (or 339692400 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 51242230035441 its reverse (14453003224215), we get a palindrome (65695233259656).

The spelling of 51242230035441 in words is "fifty-one trillion, two hundred forty-two billion, two hundred thirty million, thirty-five thousand, four hundred forty-one".