363640000040 has 32 divisors (see below), whose sum is σ = 826290900360. Its totient is φ = 144015840000.

The previous prime is 363640000039. The next prime is 363640000051. The reversal of 363640000040 is 40000046363.

It can be written as a sum of positive squares in 4 ways, for example, as 305700621604 + 57939378436 = 552902^2 + 240706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 363639999964 and 363640000009.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45000911 + ... + 45008990.

Almost surely, 2^363640000040 is an apocalyptic number.

It is an amenable number.

363640000040 is an abundant number, since it is smaller than the sum of its proper divisors (462650900320).

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

363640000040 is a wasteful number, since it uses less digits than its factorization.

363640000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90010013 (or 90010009 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The spelling of 363640000040 in words is "three hundred sixty-three billion, six hundred forty million, forty", and thus it is an aban number.