450040554 has 48 divisors (see below), whose sum is σ = 1008015840. Its totient is φ = 145032480.

The previous prime is 450040553. The next prime is 450040561. The reversal of 450040554 is 455040054.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450040553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61309 + ... + 68255.

It is an arithmetic number, because the mean of its divisors is an integer number (21000330).

Almost surely, 2^450040554 is an apocalyptic number.

450040554 is an abundant number, since it is smaller than the sum of its proper divisors (557975286).

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

450040554 is a wasteful number, since it uses less digits than its factorization.

450040554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075 (or 7072 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 450040554 is about 21214.1592810085. The cubic root of 450040554 is about 766.3324516374.

It can be divided in two parts, 4500 and 40554, that added together give a palindrome (45054).

The spelling of 450040554 in words is "four hundred fifty million, forty thousand, five hundred fifty-four".