38191487232 has 72 divisors (see below), whose sum is σ = 101682377440. Its totient is φ = 12725821440.

The previous prime is 38191487231. The next prime is 38191487251. The reversal of 38191487232 is 23278419183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (38191487231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550744 + ... + 2565672.

Almost surely, 2^38191487232 is an apocalyptic number.

38191487232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38191487232 is an abundant number, since it is smaller than the sum of its proper divisors (63490890208).

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

38191487232 is a wasteful number, since it uses less digits than its factorization.

38191487232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18279 (or 18265 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The spelling of 38191487232 in words is "thirty-eight billion, one hundred ninety-one million, four hundred eighty-seven thousand, two hundred thirty-two".