1450440468 has 72 divisors (see below), whose sum is σ = 3874197600. Its totient is φ = 456273216.

The previous prime is 1450440463. The next prime is 1450440499. The reversal of 1450440468 is 8640440541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450440463) 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, 180055 + ... + 187937.

It is an arithmetic number, because the mean of its divisors is an integer number (53808300).

Almost surely, 2^1450440468 is an apocalyptic number.

1450440468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1450440468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937098800).

1450440468 is an abundant number, since it is smaller than the sum of its proper divisors (2423757132).

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

1450440468 is a wasteful number, since it uses less digits than its factorization.

1450440468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181 (or 8176 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1450440468 is about 38084.6487183484. The cubic root of 1450440468 is about 1131.9657922296.

The spelling of 1450440468 in words is "one billion, four hundred fifty million, four hundred forty thousand, four hundred sixty-eight".