38520656378 has 8 divisors (see below), whose sum is σ = 57822290400. Its totient is φ = 19246559580.

The previous prime is 38520656357. The next prime is 38520656423. The reversal of 38520656378 is 87365602583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6880808 + ... + 6886403.

It is an arithmetic number, because the mean of its divisors is an integer number (7227786300).

Almost surely, 2^38520656378 is an apocalyptic number.

38520656378 is a deficient number, since it is larger than the sum of its proper divisors (19301634022).

38520656378 is a wasteful number, since it uses less digits than its factorization.

38520656378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768612.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 38520656378 in words is "thirty-eight billion, five hundred twenty million, six hundred fifty-six thousand, three hundred seventy-eight".