38451178552 has 16 divisors (see below), whose sum is σ = 72166588200. Its totient is φ = 19206755040.

The previous prime is 38451178537. The next prime is 38451178559. The reversal of 38451178552 is 25587115483.

It is a junction number, because it is equal to n+sod(n) for n = 38451178496 and 38451178505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38451178559) 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, 2345602 + ... + 2361937.

Almost surely, 2^38451178552 is an apocalyptic number.

It is an amenable number.

38451178552 is a deficient number, since it is larger than the sum of its proper divisors (33715409648).

38451178552 is a wasteful number, since it uses less digits than its factorization.

38451178552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708566 (or 4708562 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 49.

The spelling of 38451178552 in words is "thirty-eight billion, four hundred fifty-one million, one hundred seventy-eight thousand, five hundred fifty-two".