1450152240 has 80 divisors (see below), whose sum is σ = 4508470368. Its totient is φ = 385589248.

The previous prime is 1450152233. The next prime is 1450152283. The reversal of 1450152240 is 422510541.

It is a tau number, because it is divible by the number of its divisors (80).

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 1450152240.

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, 76162 + ... + 93278.

Almost surely, 2^1450152240 is an apocalyptic number.

1450152240 is a gapful number since it is divisible by the number (10) 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 1450152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254235184).

1450152240 is an abundant number, since it is smaller than the sum of its proper divisors (3058318128).

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

1450152240 is a wasteful number, since it uses less digits than its factorization.

1450152240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486 (or 17480 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1450152240 is about 38080.8644859856. The cubic root of 1450152240 is about 1131.8908067666.

Adding to 1450152240 its reverse (422510541), we get a palindrome (1872662781).

The spelling of 1450152240 in words is "one billion, four hundred fifty million, one hundred fifty-two thousand, two hundred forty".