51352023444480 has 4928 divisors, whose sum is σ = 229650919027200. Its totient is φ = 10862293155840.

The previous prime is 51352023444473. The next prime is 51352023444487. The reversal of 51352023444480 is 8444432025315.

51352023444480 is a `hidden beast` number, since 5 + 1 + 3 + 520 + 2 + 3 + 4 + 4 + 44 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (51352023444473) and next prime (51352023444487).

It is a super-3 number, since 3×51352023444480³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (51352023444487) by changing a digit.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 870373278691 + ... + 870373278749.

Almost surely, 2^{51352023444480} 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 51352023444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114825459513600).

51352023444480 is an abundant number, since it is smaller than the sum of its proper divisors (178298895582720).

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

51352023444480 is a wasteful number, since it uses less digits than its factorization.

51352023444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

Adding to 51352023444480 its reverse (8444432025315), we get a palindrome (59796455469795).

The spelling of 51352023444480 in words is "fifty-one trillion, three hundred fifty-two billion, twenty-three million, four hundred forty-four thousand, four hundred eighty".