450254040 has 32 divisors (see below), whose sum is σ = 1350762480. Its totient is φ = 120067712.

The previous prime is 450254009. The next prime is 450254047. The reversal of 450254040 is 40452054.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 450254040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450254047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875939 + ... + 1876178.

Almost surely, 2^450254040 is an apocalyptic number.

450254040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450254040 is an abundant number, since it is smaller than the sum of its proper divisors (900508440).

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

450254040 is a wasteful number, since it uses less digits than its factorization.

450254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752131 (or 3752127 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 450254040 is about 21219.1903709826. The cubic root of 450254040 is about 766.4536076725.

The spelling of 450254040 in words is "four hundred fifty million, two hundred fifty-four thousand, forty".