51467243520 has 1248 divisors, whose sum is σ = 220878637056. Its totient is φ = 9991618560.

The previous prime is 51467243501. The next prime is 51467243537. The reversal of 51467243520 is 2534276415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1196912619 + ... + 1196912661.

Almost surely, 2^51467243520 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 51467243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110439318528).

51467243520 is an abundant number, since it is smaller than the sum of its proper divisors (169411393536).

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

51467243520 is a wasteful number, since it uses less digits than its factorization.

51467243520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 51467243520 in words is "fifty-one billion, four hundred sixty-seven million, two hundred forty-three thousand, five hundred twenty".