632447253408 has 24 divisors (see below), whose sum is σ = 1660174040448. Its totient is φ = 210815751104.

The previous prime is 632447253377. The next prime is 632447253409. The reversal of 632447253408 is 804352744236.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×632447253408² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (632447253409) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3293996016 + ... + 3293996207.

It is an arithmetic number, because the mean of its divisors is an integer number (69173918352).

Almost surely, 2^632447253408 is an apocalyptic number.

It is an amenable number.

632447253408 is an abundant number, since it is smaller than the sum of its proper divisors (1027726787040).

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

632447253408 is a wasteful number, since it uses less digits than its factorization.

632447253408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6587992236 (or 6587992228 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 48.

The spelling of 632447253408 in words is "six hundred thirty-two billion, four hundred forty-seven million, two hundred fifty-three thousand, four hundred eight".