38455157481508 has 12 divisors (see below), whose sum is σ = 67296699088780. Its totient is φ = 19227529170432.

The previous prime is 38455157481487. The next prime is 38455157481511. The reversal of 38455157481508 is 80518475155483.

It can be written as a sum of positive squares in 2 ways, for example, as 22973309130304 + 15481848351204 = 4793048^2 + 3934698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38455157481508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10618893 + ... + 13772116.

Almost surely, 2^{38455157481508} is an apocalyptic number.

It is an amenable number.

38455157481508 is a deficient number, since it is larger than the sum of its proper divisors (28841541607272).

38455157481508 is a wasteful number, since it uses less digits than its factorization.

38455157481508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24785166 (or 24785164 counting only the distinct ones).

The product of its (nonzero) digits is 107520000, while the sum is 64.

The spelling of 38455157481508 in words is "thirty-eight trillion, four hundred fifty-five billion, one hundred fifty-seven million, four hundred eighty-one thousand, five hundred eight".