428100404450 has 24 divisors (see below), whose sum is σ = 797432653008. Its totient is φ = 170989430480.

The previous prime is 428100404447. The next prime is 428100404467. The reversal of 428100404450 is 54404001824.

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 11 ways as a sum of consecutive naturals, for example, 6233792 + ... + 6302091.

It is an arithmetic number, because the mean of its divisors is an integer number (33226360542).

Almost surely, 2^428100404450 is an apocalyptic number.

428100404450 is a deficient number, since it is larger than the sum of its proper divisors (369332248558).

428100404450 is a wasteful number, since it uses less digits than its factorization.

428100404450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536578 (or 12536573 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The spelling of 428100404450 in words is "four hundred twenty-eight billion, one hundred million, four hundred four thousand, four hundred fifty".