51028667004020 has 24 divisors (see below), whose sum is σ = 109652298401184. Its totient is φ = 19936781526816.

The previous prime is 51028667004017. The next prime is 51028667004031. The reversal of 51028667004020 is 2040076682015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29667828794 + ... + 29667830513.

It is an arithmetic number, because the mean of its divisors is an integer number (4568845766716).

Almost surely, 2^{51028667004020} is an apocalyptic number.

It is an amenable number.

51028667004020 is an abundant number, since it is smaller than the sum of its proper divisors (58623631397164).

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

51028667004020 is a wasteful number, since it uses less digits than its factorization.

51028667004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59335659359 (or 59335659357 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 51028667004020 in words is "fifty-one trillion, twenty-eight billion, six hundred sixty-seven million, four thousand, twenty".