38907565290648 has 24 divisors (see below), whose sum is σ = 105374655995700. Its totient is φ = 12969188430192.

The previous prime is 38907565290647. The next prime is 38907565290701. The reversal of 38907565290648 is 84609256570983.

It is a happy number.

38907565290648 is a `hidden beast` number, since 3 + 8 + 9 + 0 + 7 + 56 + 529 + 0 + 6 + 48 = 666.

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

It is a super-3 number, since 3×38907565290648³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 540382851259 = 38907565290648 / (3 + 8 + 9 + 0 + 7 + 5 + 6 + 5 + 2 + 9 + 0 + 6 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38907565290647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270191425558 + ... + 270191425701.

Almost surely, 2^{38907565290648} is an apocalyptic number.

It is an amenable number.

38907565290648 is an abundant number, since it is smaller than the sum of its proper divisors (66467090705052).

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

38907565290648 is a wasteful number, since it uses less digits than its factorization.

38907565290648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540382851271 (or 540382851264 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 72.

The spelling of 38907565290648 in words is "thirty-eight trillion, nine hundred seven billion, five hundred sixty-five million, two hundred ninety thousand, six hundred forty-eight".