1465421320 has 96 divisors (see below), whose sum is σ = 3679099200. Its totient is φ = 524810880.

The previous prime is 1465421263. The next prime is 1465421329. The reversal of 1465421320 is 231245641.

It is a super-2 number, since 2×1465421320² = 4294919290221084800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465421329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322021 + ... + 326539.

It is an arithmetic number, because the mean of its divisors is an integer number (38323950).

Almost surely, 2^1465421320 is an apocalyptic number.

1465421320 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 1465421320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839549600).

1465421320 is an abundant number, since it is smaller than the sum of its proper divisors (2213677880).

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

1465421320 is a wasteful number, since it uses less digits than its factorization.

1465421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4604 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1465421320 is about 38280.8218302586. The cubic root of 1465421320 is about 1135.8496151685.

Adding to 1465421320 its reverse (231245641), we get a palindrome (1696666961).

The spelling of 1465421320 in words is "one billion, four hundred sixty-five million, four hundred twenty-one thousand, three hundred twenty".