428274305488 has 40 divisors (see below), whose sum is σ = 850778421696. Its totient is φ = 208727904000.

The previous prime is 428274305479. The next prime is 428274305491. The reversal of 428274305488 is 884503472824.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 446013 + ... + 1027363.

Almost surely, 2^428274305488 is an apocalyptic number.

It is an amenable number.

428274305488 is a deficient number, since it is larger than the sum of its proper divisors (422504116208).

428274305488 is a wasteful number, since it uses less digits than its factorization.

428274305488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582523 (or 582517 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 55.

The spelling of 428274305488 in words is "four hundred twenty-eight billion, two hundred seventy-four million, three hundred five thousand, four hundred eighty-eight".