449470542064 has 30 divisors (see below), whose sum is σ = 898970947296. Its totient is φ = 217478521440.

The previous prime is 449470542047. The next prime is 449470542127. The reversal of 449470542064 is 460245074944.

It is a junction number, because it is equal to n+sod(n) for n = 449470541999 and 449470542017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14916037 + ... + 14946139.

Almost surely, 2^449470542064 is an apocalyptic number.

It is an amenable number.

449470542064 is an abundant number, since it is smaller than the sum of its proper divisors (449500405232).

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

449470542064 is an frugal number, since it uses more digits than its factorization.

449470542064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60245 (or 30136 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 449470542064 in words is "four hundred forty-nine billion, four hundred seventy million, five hundred forty-two thousand, sixty-four".