381275520352 has 48 divisors (see below), whose sum is σ = 761019561792. Its totient is φ = 188015411200.

The previous prime is 381275520347. The next prime is 381275520371. The reversal of 381275520352 is 253025572183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 381275520299 and 381275520308.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 601113 + ... + 1060135.

It is an arithmetic number, because the mean of its divisors is an integer number (15854574204).

Almost surely, 2^381275520352 is an apocalyptic number.

381275520352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381275520352 is a deficient number, since it is larger than the sum of its proper divisors (379744041440).

381275520352 is a wasteful number, since it uses less digits than its factorization.

381275520352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459391 (or 459383 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 381275520352 in words is "three hundred eighty-one billion, two hundred seventy-five million, five hundred twenty thousand, three hundred fifty-two".