51026324540 has 48 divisors (see below), whose sum is σ = 107989187040. Its totient is φ = 20251864320.

The previous prime is 51026324537. The next prime is 51026324567. The reversal of 51026324540 is 4542362015.

It is a super-2 number, since 2×51026324540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51026324497 and 51026324506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5947694 + ... + 5956266.

It is an arithmetic number, because the mean of its divisors is an integer number (2249774730).

Almost surely, 2^51026324540 is an apocalyptic number.

It is an amenable number.

51026324540 is an abundant number, since it is smaller than the sum of its proper divisors (56962862500).

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

51026324540 is a wasteful number, since it uses less digits than its factorization.

51026324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862 (or 10860 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 51026324540 its reverse (4542362015), we get a palindrome (55568686555).

The spelling of 51026324540 in words is "fifty-one billion, twenty-six million, three hundred twenty-four thousand, five hundred forty".