449148222272 has 14 divisors (see below), whose sum is σ = 891278503698. Its totient is φ = 224574111104.

The previous prime is 449148222269. The next prime is 449148222301. The reversal of 449148222272 is 272222841944.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 312910459456 + 136237762816 = 559384^2 + 369104^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3508970423 + ... + 3508970550.

Almost surely, 2^449148222272 is an apocalyptic number.

It is an amenable number.

449148222272 is a deficient number, since it is larger than the sum of its proper divisors (442130281426).

449148222272 is an equidigital number, since it uses as much as digits as its factorization.

449148222272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017940985 (or 7017940975 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The spelling of 449148222272 in words is "four hundred forty-nine billion, one hundred forty-eight million, two hundred twenty-two thousand, two hundred seventy-two".