38281573378 has 8 divisors (see below), whose sum is σ = 57586895100. Its totient is φ = 19085941680.

The previous prime is 38281573373. The next prime is 38281573387. The reversal of 38281573378 is 87337518283.

It can be written as a sum of positive squares in 2 ways, for example, as 33498882729 + 4782690649 = 183027^2 + 69157^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38281573373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27421633 + ... + 27423028.

Almost surely, 2^38281573378 is an apocalyptic number.

38281573378 is a deficient number, since it is larger than the sum of its proper divisors (19305321722).

38281573378 is a wasteful number, since it uses less digits than its factorization.

38281573378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54845012.

The product of its digits is 6773760, while the sum is 55.

The spelling of 38281573378 in words is "thirty-eight billion, two hundred eighty-one million, five hundred seventy-three thousand, three hundred seventy-eight".