51062440900 has 81 divisors (see below), whose sum is σ = 113010451981. Its totient is φ = 20026365280.

The previous prime is 51062440879. The next prime is 51062440937. The reversal of 51062440900 is 904426015.

The square root of 51062440900 is 225970.

It is a perfect power (a square), and thus also a powerful number.

51062440900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 18382478724 + 32679962176 = 135582^2 + 180776^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 133322109 + ... + 133322491.

Almost surely, 2^51062440900 is an apocalyptic number.

51062440900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51062440900 is the 225970-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51062440900

51062440900 is an abundant number, since it is smaller than the sum of its proper divisors (61948011081).

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

51062440900 is an equidigital number, since it uses as much as digits as its factorization.

51062440900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 51062440900 its reverse (904426015), we get a palindrome (51966866915).

The spelling of 51062440900 in words is "fifty-one billion, sixty-two million, four hundred forty thousand, nine hundred".