381732485988 has 48 divisors (see below), whose sum is σ = 1053055140480. Its totient is φ = 105305512704.

The previous prime is 381732485983. The next prime is 381732485993. The reversal of 381732485988 is 889584237183.

It is an interprime number because it is at equal distance from previous prime (381732485983) and next prime (381732485993).

It is a super-2 number, since 2×381732485988² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381732485983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78349881 + ... + 78354752.

It is an arithmetic number, because the mean of its divisors is an integer number (21938648760).

Almost surely, 2^381732485988 is an apocalyptic number.

It is an amenable number.

381732485988 is an abundant number, since it is smaller than the sum of its proper divisors (671322654492).

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

381732485988 is a wasteful number, since it uses less digits than its factorization.

381732485988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156704676 (or 156704674 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 66.

The spelling of 381732485988 in words is "three hundred eighty-one billion, seven hundred thirty-two million, four hundred eighty-five thousand, nine hundred eighty-eight".