38285144458 has 16 divisors (see below), whose sum is σ = 64341620064. Its totient is φ = 16932004560.

The previous prime is 38285144377. The next prime is 38285144461. The reversal of 38285144458 is 85444158283.

It is a super-2 number, since 2×38285144458² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23515860 + ... + 23517487.

It is an arithmetic number, because the mean of its divisors is an integer number (4021351254).

Almost surely, 2^38285144458 is an apocalyptic number.

38285144458 is a deficient number, since it is larger than the sum of its proper divisors (26056475606).

38285144458 is a wasteful number, since it uses less digits than its factorization.

38285144458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47033397.

The product of its digits is 4915200, while the sum is 52.

The spelling of 38285144458 in words is "thirty-eight billion, two hundred eighty-five million, one hundred forty-four thousand, four hundred fifty-eight".