428626235630 has 32 divisors (see below), whose sum is σ = 790657676928. Its totient is φ = 167202592000.

The previous prime is 428626235629. The next prime is 428626235651. The reversal of 428626235630 is 36532626824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837080 + ... + 1248180.

It is an arithmetic number, because the mean of its divisors is an integer number (24708052404).

Almost surely, 2^428626235630 is an apocalyptic number.

428626235630 is a deficient number, since it is larger than the sum of its proper divisors (362031441298).

428626235630 is a wasteful number, since it uses less digits than its factorization.

428626235630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413692.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 428626235630 in words is "four hundred twenty-eight billion, six hundred twenty-six million, two hundred thirty-five thousand, six hundred thirty".