1465480720 has 80 divisors (see below), whose sum is σ = 3724636608. Its totient is φ = 531806720.

The previous prime is 1465480717. The next prime is 1465480729. The reversal of 1465480720 is 270845641.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1465480720.

It is not an unprimeable number, because it can be changed into a prime (1465480729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515142 + ... + 517978.

Almost surely, 2^1465480720 is an apocalyptic number.

1465480720 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 1465480720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862318304).

1465480720 is an abundant number, since it is smaller than the sum of its proper divisors (2259155888).

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

1465480720 is a wasteful number, since it uses less digits than its factorization.

1465480720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 1465480720 is about 38281.5976678090. The cubic root of 1465480720 is about 1135.8649619621.

The spelling of 1465480720 in words is "one billion, four hundred sixty-five million, four hundred eighty thousand, seven hundred twenty".