381623657152 has 56 divisors (see below), whose sum is σ = 777894253200. Its totient is φ = 185620700160.

The previous prime is 381623657087. The next prime is 381623657197. The reversal of 381623657152 is 251756326183.

It is a happy number.

It is a super-2 number, since 2×381623657152² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381623657096 and 381623657105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17064474 + ... + 17086822.

Almost surely, 2^381623657152 is an apocalyptic number.

381623657152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381623657152 is an abundant number, since it is smaller than the sum of its proper divisors (396270596048).

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

381623657152 is a wasteful number, since it uses less digits than its factorization.

381623657152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29609 (or 29599 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The spelling of 381623657152 in words is "three hundred eighty-one billion, six hundred twenty-three million, six hundred fifty-seven thousand, one hundred fifty-two".