450136726 has 32 divisors (see below), whose sum is σ = 762810048. Its totient is φ = 197662080.

The previous prime is 450136697. The next prime is 450136747. The reversal of 450136726 is 627631054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 450136691 and 450136700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115896 + ... + 119716.

It is an arithmetic number, because the mean of its divisors is an integer number (23837814).

Almost surely, 2^450136726 is an apocalyptic number.

450136726 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

450136726 is a deficient number, since it is larger than the sum of its proper divisors (312673322).

450136726 is a wasteful number, since it uses less digits than its factorization.

450136726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 450136726 is about 21216.4258535692. The cubic root of 450136726 is about 766.3870352186.

The spelling of 450136726 in words is "four hundred fifty million, one hundred thirty-six thousand, seven hundred twenty-six".