634060365440 has 32 divisors (see below), whose sum is σ = 1515800562660. Its totient is φ = 253624145920.

The previous prime is 634060365427. The next prime is 634060365467. The reversal of 634060365440 is 44563060436.

It can be written as a sum of positive squares in 2 ways, for example, as 616828027456 + 17232337984 = 785384^2 + 131272^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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, 495359021 + ... + 495360300.

Almost surely, 2^634060365440 is an apocalyptic number.

It is an amenable number.

634060365440 is an abundant number, since it is smaller than the sum of its proper divisors (881740197220).

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

634060365440 is an equidigital number, since it uses as much as digits as its factorization.

634060365440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990719340 (or 990719328 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 634060365440 in words is "six hundred thirty-four billion, sixty million, three hundred sixty-five thousand, four hundred forty".