38430446731456 has 28 divisors (see below), whose sum is σ = 82126603713952. Its totient is φ = 17737129260288.

The previous prime is 38430446731381. The next prime is 38430446731513. The reversal of 38430446731456 is 65413764403483.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38430446731456.

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, 23095219560 + ... + 23095221223.

It is an arithmetic number, because the mean of its divisors is an integer number (2933092989784).

Almost surely, 2^{38430446731456} is an apocalyptic number.

It is an amenable number.

38430446731456 is an abundant number, since it is smaller than the sum of its proper divisors (43696156982496).

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

38430446731456 is a wasteful number, since it uses less digits than its factorization.

38430446731456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46190440808 (or 46190440798 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 58.

The spelling of 38430446731456 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-six million, seven hundred thirty-one thousand, four hundred fifty-six".