38667388840520 has 64 divisors (see below), whose sum is σ = 98183651947200. Its totient is φ = 13576011124480.

The previous prime is 38667388840501. The next prime is 38667388840541. The reversal of 38667388840520 is 2504888376683.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515167054 + ... + 1515192573.

It is an arithmetic number, because the mean of its divisors is an integer number (1534119561675).

Almost surely, 2^{38667388840520} is an apocalyptic number.

It is an amenable number.

38667388840520 is an abundant number, since it is smaller than the sum of its proper divisors (59516263106680).

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

38667388840520 is a wasteful number, since it uses less digits than its factorization.

38667388840520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030359678 (or 3030359674 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 68.

The spelling of 38667388840520 in words is "thirty-eight trillion, six hundred sixty-seven billion, three hundred eighty-eight million, eight hundred forty thousand, five hundred twenty".