38616509631480 has 128 divisors (see below), whose sum is σ = 130458120652800. Its totient is φ = 9059591692800.

The previous prime is 38616509631443. The next prime is 38616509631481. The reversal of 38616509631480 is 8413690561683.

It is a super-2 number, since 2×38616509631480² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38616509631481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471812815 + ... + 471894654.

It is an arithmetic number, because the mean of its divisors is an integer number (1019204067600).

Almost surely, 2^{38616509631480} is an apocalyptic number.

38616509631480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38616509631480 is an abundant number, since it is smaller than the sum of its proper divisors (91841611021320).

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

38616509631480 is a wasteful number, since it uses less digits than its factorization.

38616509631480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943707525 (or 943707521 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 38616509631480 in words is "thirty-eight trillion, six hundred sixteen billion, five hundred nine million, six hundred thirty-one thousand, four hundred eighty".