381929429472 has 48 divisors (see below), whose sum is σ = 1002877984080. Its totient is φ = 127270034432.

The previous prime is 381929429471. The next prime is 381929429477. The reversal of 381929429472 is 274924929183.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381929429471) 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, 311823 + ... + 927950.

It is an arithmetic number, because the mean of its divisors is an integer number (20893291335).

Almost surely, 2^381929429472 is an apocalyptic number.

381929429472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381929429472 is an abundant number, since it is smaller than the sum of its proper divisors (620948554608).

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

381929429472 is a wasteful number, since it uses less digits than its factorization.

381929429472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242995 (or 1242987 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 381929429472 in words is "three hundred eighty-one billion, nine hundred twenty-nine million, four hundred twenty-nine thousand, four hundred seventy-two".