449282557440 has 200 divisors, whose sum is σ = 1609188902640. Its totient is φ = 119808626688.

The previous prime is 449282557421. The next prime is 449282557481. The reversal of 449282557440 is 44755282944.

449282557440 is a `hidden beast` number, since 4 + 4 + 9 + 2 + 8 + 25 + 574 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 875980 + ... + 1290699.

Almost surely, 2^449282557440 is an apocalyptic number.

449282557440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449282557440 is an abundant number, since it is smaller than the sum of its proper divisors (1159906345200).

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

449282557440 is an equidigital number, since it uses as much as digits as its factorization.

449282557440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166714 (or 2166689 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 449282557440 in words is "four hundred forty-nine billion, two hundred eighty-two million, five hundred fifty-seven thousand, four hundred forty".