51060406242540 has 192 divisors, whose sum is σ = 145159702926336. Its totient is φ = 13408575848448.

The previous prime is 51060406242529. The next prime is 51060406242577. The reversal of 51060406242540 is 4524260406015.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6369012612 + ... + 6369020628.

It is an arithmetic number, because the mean of its divisors is an integer number (756040119408).

Almost surely, 2^{51060406242540} 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 51060406242540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72579851463168).

51060406242540 is an abundant number, since it is smaller than the sum of its proper divisors (94099296683796).

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

51060406242540 is a wasteful number, since it uses less digits than its factorization.

51060406242540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088 (or 12086 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 51060406242540 its reverse (4524260406015), we get a palindrome (55584666648555).

The spelling of 51060406242540 in words is "fifty-one trillion, sixty billion, four hundred six million, two hundred forty-two thousand, five hundred forty".