628632588540 has 48 divisors (see below), whose sum is σ = 1920186817920. Its totient is φ = 152395778880.

The previous prime is 628632588523. The next prime is 628632588587. The reversal of 628632588540 is 45885236826.

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 15 ways as a sum of consecutive naturals, for example, 476236150 + ... + 476237469.

It is an arithmetic number, because the mean of its divisors is an integer number (40003892040).

Almost surely, 2^628632588540 is an apocalyptic number.

628632588540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

628632588540 is an abundant number, since it is smaller than the sum of its proper divisors (1291554229380).

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

628632588540 is a wasteful number, since it uses less digits than its factorization.

628632588540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952473642 (or 952473640 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 628632588540 in words is "six hundred twenty-eight billion, six hundred thirty-two million, five hundred eighty-eight thousand, five hundred forty".