51434133334440 has 64 divisors (see below), whose sum is σ = 154320511556160. Its totient is φ = 13714158973440.

The previous prime is 51434133334429. The next prime is 51434133334459. The reversal of 51434133334440 is 4443333143415.

It is a super-2 number, since 2×51434133334440² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51434133334392 and 51434133334401.

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, 24128154 + ... + 26173193.

It is an arithmetic number, because the mean of its divisors is an integer number (2411257993065).

Almost surely, 2^{51434133334440} is an apocalyptic number.

It is an amenable number.

51434133334440 is an abundant number, since it is smaller than the sum of its proper divisors (102886378221720).

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

51434133334440 is a wasteful number, since it uses less digits than its factorization.

51434133334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50309882 (or 50309878 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 42.

Adding to 51434133334440 its reverse (4443333143415), we get a palindrome (55877466477855).

The spelling of 51434133334440 in words is "fifty-one trillion, four hundred thirty-four billion, one hundred thirty-three million, three hundred thirty-four thousand, four hundred forty".