628581412015500 has 48 divisors (see below), whose sum is σ = 1830429071793504. Its totient is φ = 167621709870400.

The previous prime is 628581412015483. The next prime is 628581412015561. The reversal of 628581412015500 is 5510214185826.

It is a super-2 number, since 2×628581412015500² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 628581412015500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209527135839 + ... + 209527138838.

It is an arithmetic number, because the mean of its divisors is an integer number (38133938995698).

Almost surely, 2^{628581412015500} is an apocalyptic number.

628581412015500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

628581412015500 is an abundant number, since it is smaller than the sum of its proper divisors (1201847659778004).

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

628581412015500 is a wasteful number, since it uses less digits than its factorization.

628581412015500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419054274699 (or 419054274687 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The spelling of 628581412015500 in words is "six hundred twenty-eight trillion, five hundred eighty-one billion, four hundred twelve million, fifteen thousand, five hundred".