5051423421440 has 352 divisors, whose sum is σ = 13839286855680. Its totient is φ = 1751227596800.

The previous prime is 5051423421379. The next prime is 5051423421461. The reversal of 5051423421440 is 441243241505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (352).

It is a super-4 number, since 4×5051423421440⁴ (a number of 52 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5051423421440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402850691 + ... + 402863229.

It is an arithmetic number, because the mean of its divisors is an integer number (39316155840).

Almost surely, 2^{5051423421440} 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 5051423421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6919643427840).

5051423421440 is an abundant number, since it is smaller than the sum of its proper divisors (8787863434240).

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

5051423421440 is a wasteful number, since it uses less digits than its factorization.

5051423421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12909 (or 12891 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 5051423421440 its reverse (441243241505), we get a palindrome (5492666662945).

The spelling of 5051423421440 in words is "five trillion, fifty-one billion, four hundred twenty-three million, four hundred twenty-one thousand, four hundred forty".