38393469420 has 24 divisors (see below), whose sum is σ = 107501714544. Its totient is φ = 10238258496.

The previous prime is 38393469229. The next prime is 38393469421. The reversal of 38393469420 is 2496439383.

It is not an unprimeable number, because it can be changed into a prime (38393469421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319945519 + ... + 319945638.

It is an arithmetic number, because the mean of its divisors is an integer number (4479238106).

Almost surely, 2^38393469420 is an apocalyptic number.

38393469420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38393469420 is an abundant number, since it is smaller than the sum of its proper divisors (69108245124).

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

38393469420 is a wasteful number, since it uses less digits than its factorization.

38393469420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639891169 (or 639891167 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

It can be divided in two parts, 383934 and 69420, that added together give a palindrome (453354).

The spelling of 38393469420 in words is "thirty-eight billion, three hundred ninety-three million, four hundred sixty-nine thousand, four hundred twenty".