51236141344 has 96 divisors (see below), whose sum is σ = 105546124656. Its totient is φ = 24460001280.

The previous prime is 51236141317. The next prime is 51236141347. The reversal of 51236141344 is 44314163215.

It can be written as a sum of positive squares in 8 ways, for example, as 38489731344 + 12746410000 = 196188^2 + 112900^2 .

It is a super-2 number, since 2×51236141344² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51236141347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40121634 + ... + 40122910.

Almost surely, 2^51236141344 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 51236141344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52773062328).

51236141344 is an abundant number, since it is smaller than the sum of its proper divisors (54309983312).

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

51236141344 is a wasteful number, since it uses less digits than its factorization.

51236141344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1950 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The spelling of 51236141344 in words is "fifty-one billion, two hundred thirty-six million, one hundred forty-one thousand, three hundred forty-four".