463026440 has 32 divisors (see below), whose sum is σ = 1048815000. Its totient is φ = 183965184.

The previous prime is 463026437. The next prime is 463026457. The reversal of 463026440 is 44620364.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 323928004 + 139098436 = 17998^2 + 11794^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32885 + ... + 44804.

Almost surely, 2^463026440 is an apocalyptic number.

463026440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

463026440 is an abundant number, since it is smaller than the sum of its proper divisors (585788560).

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

463026440 is a wasteful number, since it uses less digits than its factorization.

463026440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77849 (or 77845 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 463026440 is about 21518.0491680821. The cubic root of 463026440 is about 773.6334934364.

The spelling of 463026440 in words is "four hundred sixty-three million, twenty-six thousand, four hundred forty".