450439488 has 56 divisors (see below), whose sum is σ = 1324213760. Its totient is φ = 150145920.

The previous prime is 450439487. The next prime is 450439501. The reversal of 450439488 is 884934054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450439481) 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, 128608 + ... + 132063.

Almost surely, 2^450439488 is an apocalyptic number.

450439488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

450439488 is an abundant number, since it is smaller than the sum of its proper divisors (873774272).

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

450439488 is a wasteful number, since it uses less digits than its factorization.

450439488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260692 (or 260676 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 450439488 is about 21223.5597391201. The cubic root of 450439488 is about 766.5588207050.

The spelling of 450439488 in words is "four hundred fifty million, four hundred thirty-nine thousand, four hundred eighty-eight".