1450653520 has 80 divisors (see below), whose sum is σ = 3586913280. Its totient is φ = 543721472.

The previous prime is 1450653517. The next prime is 1450653541. The reversal of 1450653520 is 253560541.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322809 + ... + 327271.

It is an arithmetic number, because the mean of its divisors is an integer number (44836416).

Almost surely, 2^1450653520 is an apocalyptic number.

1450653520 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 1450653520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793456640).

1450653520 is an abundant number, since it is smaller than the sum of its proper divisors (2136259760).

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

1450653520 is a wasteful number, since it uses less digits than its factorization.

1450653520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732 (or 4726 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1450653520 is about 38087.4457006505. The cubic root of 1450653520 is about 1132.0212135020.

The spelling of 1450653520 in words is "one billion, four hundred fifty million, six hundred fifty-three thousand, five hundred twenty".