38863194948452 has 36 divisors (see below), whose sum is σ = 79021481797440. Its totient is φ = 16382611409760.

The previous prime is 38863194948443. The next prime is 38863194948497. The reversal of 38863194948452 is 25484949136883.

It is a super-4 number, since 4×38863194948452⁴ (a number of 55 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38863194948452.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186400952 + ... + 186609327.

It is an arithmetic number, because the mean of its divisors is an integer number (2195041161040).

Almost surely, 2^{38863194948452} is an apocalyptic number.

It is an amenable number.

38863194948452 is an abundant number, since it is smaller than the sum of its proper divisors (40158286848988).

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

38863194948452 is a wasteful number, since it uses less digits than its factorization.

38863194948452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373010412 (or 373010349 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 74.

The spelling of 38863194948452 in words is "thirty-eight trillion, eight hundred sixty-three billion, one hundred ninety-four million, nine hundred forty-eight thousand, four hundred fifty-two".