38285984544420 has 24 divisors (see below), whose sum is σ = 107200756724544. Its totient is φ = 10209595878496.

The previous prime is 38285984544397. The next prime is 38285984544497. The reversal of 38285984544420 is 2444548958283.

It is a happy number.

It is a super-2 number, since 2×38285984544420² (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, 319049871144 + ... + 319049871263.

It is an arithmetic number, because the mean of its divisors is an integer number (4466698196856).

Almost surely, 2^{38285984544420} is an apocalyptic number.

38285984544420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38285984544420 is an abundant number, since it is smaller than the sum of its proper divisors (68914772180124).

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

38285984544420 is a wasteful number, since it uses less digits than its factorization.

38285984544420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638099742419 (or 638099742417 counting only the distinct ones).

The product of its (nonzero) digits is 353894400, while the sum is 66.

The spelling of 38285984544420 in words is "thirty-eight trillion, two hundred eighty-five billion, nine hundred eighty-four million, five hundred forty-four thousand, four hundred twenty".