38781264851448 has 64 divisors (see below), whose sum is σ = 110824393397760. Its totient is φ = 11078283432576.

The previous prime is 38781264851401. The next prime is 38781264851467. The reversal of 38781264851448 is 84415846218783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20746740 + ... + 22538627.

It is an arithmetic number, because the mean of its divisors is an integer number (1731631146840).

Almost surely, 2^{38781264851448} is an apocalyptic number.

It is an amenable number.

38781264851448 is an abundant number, since it is smaller than the sum of its proper divisors (72043128546312).

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

38781264851448 is a wasteful number, since it uses less digits than its factorization.

38781264851448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43290716 (or 43290712 counting only the distinct ones).

The product of its digits is 330301440, while the sum is 69.

The spelling of 38781264851448 in words is "thirty-eight trillion, seven hundred eighty-one billion, two hundred sixty-four million, eight hundred fifty-one thousand, four hundred forty-eight".