1463091720 has 64 divisors (see below), whose sum is σ = 4407575040. Its totient is φ = 388531200.

The previous prime is 1463091719. The next prime is 1463091733. The reversal of 1463091720 is 271903641.

It is a super-2 number, since 2×1463091720² = 4281274762265116800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 54215.

It is an arithmetic number, because the mean of its divisors is an integer number (68868360).

Almost surely, 2^1463091720 is an apocalyptic number.

1463091720 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 1463091720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203787520).

1463091720 is an abundant number, since it is smaller than the sum of its proper divisors (2944483320).

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

1463091720 is a wasteful number, since it uses less digits than its factorization.

1463091720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50846 (or 50842 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1463091720 is about 38250.3819588772. The cubic root of 1463091720 is about 1135.2474041333.

The spelling of 1463091720 in words is "one billion, four hundred sixty-three million, ninety-one thousand, seven hundred twenty".