51411423040 has 112 divisors (see below), whose sum is σ = 125854705872. Its totient is φ = 19989282816.

The previous prime is 51411423029. The next prime is 51411423059. The reversal of 51411423040 is 4032411415.

It can be written as a sum of positive squares in 8 ways, for example, as 1156544064 + 50254878976 = 34008^2 + 224176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51411422996 and 51411423014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20754282 + ... + 20756758.

It is an arithmetic number, because the mean of its divisors is an integer number (1123702731).

Almost surely, 2^51411423040 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 51411423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62927352936).

51411423040 is an abundant number, since it is smaller than the sum of its proper divisors (74443282832).

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

51411423040 is a wasteful number, since it uses less digits than its factorization.

51411423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4274 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 51411423040 its reverse (4032411415), we get a palindrome (55443834455).

The spelling of 51411423040 in words is "fifty-one billion, four hundred eleven million, four hundred twenty-three thousand, forty".