38635474040 has 16 divisors (see below), whose sum is σ = 86929816680. Its totient is φ = 15454189600.

The previous prime is 38635474021. The next prime is 38635474049. The reversal of 38635474040 is 4047453683.

It is a junction number, because it is equal to n+sod(n) for n = 38635473982 and 38635474000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38635474049) 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, 482943386 + ... + 482943465.

Almost surely, 2^38635474040 is an apocalyptic number.

It is an amenable number.

38635474040 is an abundant number, since it is smaller than the sum of its proper divisors (48294342640).

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

38635474040 is a wasteful number, since it uses less digits than its factorization.

38635474040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965886862 (or 965886858 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 38635474040 in words is "thirty-eight billion, six hundred thirty-five million, four hundred seventy-four thousand, forty".