42826708628 has 24 divisors (see below), whose sum is σ = 81812992800. Its totient is φ = 19454087520.

The previous prime is 42826708621. The next prime is 42826708657. The reversal of 42826708628 is 82680762824.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42826708628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42826708621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246026 + ... + 382337.

It is an arithmetic number, because the mean of its divisors is an integer number (3408874700).

Almost surely, 2^42826708628 is an apocalyptic number.

It is an amenable number.

42826708628 is a deficient number, since it is larger than the sum of its proper divisors (38986284172).

42826708628 is a wasteful number, since it uses less digits than its factorization.

42826708628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629927 (or 629925 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 42826708628 in words is "forty-two billion, eight hundred twenty-six million, seven hundred eight thousand, six hundred twenty-eight".