38506732376464 has 80 divisors (see below), whose sum is σ = 82321346543040. Its totient is φ = 17303330004480.

The previous prime is 38506732376369. The next prime is 38506732376467. The reversal of 38506732376464 is 46467323760583.

It is a super-2 number, since 2×38506732376464² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38506732376396 and 38506732376405.

It is not an unprimeable number, because it can be changed into a prime (38506732376467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6233014 + ... + 10764010.

It is an arithmetic number, because the mean of its divisors is an integer number (1029016831788).

Almost surely, 2^{38506732376464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38506732376464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41160673271520).

38506732376464 is an abundant number, since it is smaller than the sum of its proper divisors (43814614166576).

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

38506732376464 is a wasteful number, since it uses less digits than its factorization.

38506732376464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531568 (or 4531562 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 64.

The spelling of 38506732376464 in words is "thirty-eight trillion, five hundred six billion, seven hundred thirty-two million, three hundred seventy-six thousand, four hundred sixty-four".