449427277152 has 432 divisors, whose sum is σ = 1576593214560. Its totient is φ = 120668921856.

The previous prime is 449427277147. The next prime is 449427277153. The reversal of 449427277152 is 251772724944.

449427277152 is a `hidden beast` number, since 4 + 49 + 427 + 27 + 7 + 152 = 666.

It is a super-2 number, since 2×449427277152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449427277153) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 239183349 + ... + 239185227.

It is an arithmetic number, because the mean of its divisors is an integer number (3649521330).

Almost surely, 2^449427277152 is an apocalyptic number.

449427277152 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449427277152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788296607280).

449427277152 is an abundant number, since it is smaller than the sum of its proper divisors (1127165937408).

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

449427277152 is a wasteful number, since it uses less digits than its factorization.

449427277152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2905 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 449427277152 in words is "four hundred forty-nine billion, four hundred twenty-seven million, two hundred seventy-seven thousand, one hundred fifty-two".