51042444024 has 128 divisors (see below), whose sum is σ = 150803654400. Its totient is φ = 14277444480.

The previous prime is 51042443957. The next prime is 51042444029. The reversal of 51042444024 is 42044424015.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51042443982 and 51042444000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51042444029) 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, 536007 + ... + 624009.

It is an arithmetic number, because the mean of its divisors is an integer number (1178153550).

Almost surely, 2^51042444024 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 51042444024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75401827200).

51042444024 is an abundant number, since it is smaller than the sum of its proper divisors (99761210376).

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

51042444024 is a wasteful number, since it uses less digits than its factorization.

51042444024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88062 (or 88032 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 51042444024 its reverse (42044424015), we get a palindrome (93086868039).

The spelling of 51042444024 in words is "fifty-one billion, forty-two million, four hundred forty-four thousand, twenty-four".