628506402042 has 32 divisors (see below), whose sum is σ = 1401004987200. Its totient is φ = 186800663808.

The previous prime is 628506402031. The next prime is 628506402049. The reversal of 628506402042 is 240204605826.

It is not an unprimeable number, because it can be changed into a prime (628506402049) 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, 162151417 + ... + 162155292.

It is an arithmetic number, because the mean of its divisors is an integer number (43781405850).

Almost surely, 2^628506402042 is an apocalyptic number.

628506402042 is an abundant number, since it is smaller than the sum of its proper divisors (772498585158).

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

628506402042 is a wasteful number, since it uses less digits than its factorization.

628506402042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324306750.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 628506402042 in words is "six hundred twenty-eight billion, five hundred six million, four hundred two thousand, forty-two".