38685386024452 has 24 divisors (see below), whose sum is σ = 67723894353024. Its totient is φ = 19335702708192.

The previous prime is 38685386024449. The next prime is 38685386024513. The reversal of 38685386024452 is 25442068358683.

It is a super-2 number, since 2×38685386024452² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218872738 + ... + 219049414.

It is an arithmetic number, because the mean of its divisors is an integer number (2821828931376).

Almost surely, 2^{38685386024452} is an apocalyptic number.

It is an amenable number.

38685386024452 is a deficient number, since it is larger than the sum of its proper divisors (29038508328572).

38685386024452 is a wasteful number, since it uses less digits than its factorization.

38685386024452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196155 (or 196153 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 64.

The spelling of 38685386024452 in words is "thirty-eight trillion, six hundred eighty-five billion, three hundred eighty-six million, twenty-four thousand, four hundred fifty-two".