532448449640 has 32 divisors (see below), whose sum is σ = 1236654466560. Its totient is φ = 206109076800.

The previous prime is 532448449633. The next prime is 532448449661. The reversal of 532448449640 is 46944844235.

It is a super-2 number, since 2×532448449640² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214695716 + ... + 214698195.

It is an arithmetic number, because the mean of its divisors is an integer number (38645452080).

Almost surely, 2^532448449640 is an apocalyptic number.

It is an amenable number.

532448449640 is an abundant number, since it is smaller than the sum of its proper divisors (704206016920).

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

532448449640 is a wasteful number, since it uses less digits than its factorization.

532448449640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429393953 (or 429393949 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 53.

The spelling of 532448449640 in words is "five hundred thirty-two billion, four hundred forty-eight million, four hundred forty-nine thousand, six hundred forty".