450447029928 has 96 divisors (see below), whose sum is σ = 1394334552000. Its totient is φ = 128690498304.

The previous prime is 450447029909. The next prime is 450447029947. The reversal of 450447029928 is 829920744054.

It is a happy number.

450447029928 is a `hidden beast` number, since 4 + 504 + 47 + 0 + 2 + 9 + 92 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (450447029909) and next prime (450447029947).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13613148 + ... + 13646196.

It is an arithmetic number, because the mean of its divisors is an integer number (14524318250).

Almost surely, 2^450447029928 is an apocalyptic number.

It is an amenable number.

450447029928 is an abundant number, since it is smaller than the sum of its proper divisors (943887522072).

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

450447029928 is a wasteful number, since it uses less digits than its factorization.

450447029928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60111 (or 60104 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 450447029928 in words is "four hundred fifty billion, four hundred forty-seven million, twenty-nine thousand, nine hundred twenty-eight".