449511728262 has 16 divisors (see below), whose sum is σ = 899178503472. Its totient is φ = 149811401600.

The previous prime is 449511728251. The next prime is 449511728269. The reversal of 449511728262 is 262827115944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449511728269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6422583 + ... + 6492194.

It is an arithmetic number, because the mean of its divisors is an integer number (56198656467).

Almost surely, 2^449511728262 is an apocalyptic number.

449511728262 is an abundant number, since it is smaller than the sum of its proper divisors (449666775210).

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

449511728262 is a wasteful number, since it uses less digits than its factorization.

449511728262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12920583.

The product of its digits is 1935360, while the sum is 51.

The spelling of 449511728262 in words is "four hundred forty-nine billion, five hundred eleven million, seven hundred twenty-eight thousand, two hundred sixty-two".