51628526000 has 80 divisors (see below), whose sum is σ = 129142671840. Its totient is φ = 19939270400.

The previous prime is 51628525999. The next prime is 51628526003. The reversal of 51628526000 is 62582615.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (51628526003) 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, 387074 + ... + 503073.

It is an arithmetic number, because the mean of its divisors is an integer number (1614283398).

Almost surely, 2^51628526000 is an apocalyptic number.

51628526000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51628526000 is an abundant number, since it is smaller than the sum of its proper divisors (77514145840).

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

51628526000 is a wasteful number, since it uses less digits than its factorization.

51628526000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890199 (or 890183 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 51628526000 in words is "fifty-one billion, six hundred twenty-eight million, five hundred twenty-six thousand".