450979450 has 12 divisors (see below), whose sum is σ = 838821870. Its totient is φ = 180391760.

The previous prime is 450979439. The next prime is 450979457. The reversal of 450979450 is 54979054.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 376864569 + 74114881 = 19413^2 + 8609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450979397 and 450979406.

It is not an unprimeable number, because it can be changed into a prime (450979457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4509745 + ... + 4509844.

Almost surely, 2^450979450 is an apocalyptic number.

450979450 is a deficient number, since it is larger than the sum of its proper divisors (387842420).

450979450 is a wasteful number, since it uses less digits than its factorization.

450979450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019601 (or 9019596 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 450979450 is about 21236.2767452301. The cubic root of 450979450 is about 766.8650011970.

The spelling of 450979450 in words is "four hundred fifty million, nine hundred seventy-nine thousand, four hundred fifty".