450631556 has 6 divisors (see below), whose sum is σ = 788605230. Its totient is φ = 225315776.

The previous prime is 450631549. The next prime is 450631579. The reversal of 450631556 is 655136054.

It can be written as a sum of positive squares in only one way, i.e., 244421956 + 206209600 = 15634^2 + 14360^2 .

It is a super-2 number, since 2×450631556² = 406137598525962272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56328941 + ... + 56328948.

It is an arithmetic number, because the mean of its divisors is an integer number (131434205).

Almost surely, 2^450631556 is an apocalyptic number.

It is an amenable number.

450631556 is a deficient number, since it is larger than the sum of its proper divisors (337973674).

450631556 is a wasteful number, since it uses less digits than its factorization.

450631556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112657893 (or 112657891 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 450631556 is about 21228.0841339957. The cubic root of 450631556 is about 766.6677591247.

The spelling of 450631556 in words is "four hundred fifty million, six hundred thirty-one thousand, five hundred fifty-six".