381524934388 has 24 divisors (see below), whose sum is σ = 742222208000. Its totient is φ = 170408158560.

The previous prime is 381524934367. The next prime is 381524934407. The reversal of 381524934388 is 883439425183.

It is a happy number.

It is a super-2 number, since 2×381524934388² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118337388 + ... + 118340611.

Almost surely, 2^381524934388 is an apocalyptic number.

It is an amenable number.

381524934388 is a deficient number, since it is larger than the sum of its proper divisors (360697273612).

381524934388 is a wasteful number, since it uses less digits than its factorization.

381524934388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236678047 (or 236678045 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 381524934388 in words is "three hundred eighty-one billion, five hundred twenty-four million, nine hundred thirty-four thousand, three hundred eighty-eight".