383945438376 has 48 divisors (see below), whose sum is σ = 1047442418100. Its totient is φ = 127047635712.

The previous prime is 383945438347. The next prime is 383945438399. The reversal of 383945438376 is 673834549383.

383945438376 is a `hidden beast` number, since 3 + 8 + 3 + 9 + 4 + 543 + 83 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 383891768100 + 53670276 = 619590^2 + 7326^2 .

It is a super-3 number, since 3×383945438376³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19452091 + ... + 19471818.

Almost surely, 2^383945438376 is an apocalyptic number.

383945438376 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

383945438376 is an abundant number, since it is smaller than the sum of its proper divisors (663496979724).

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

383945438376 is a wasteful number, since it uses less digits than its factorization.

383945438376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38924058 (or 38924051 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 63.

The spelling of 383945438376 in words is "three hundred eighty-three billion, nine hundred forty-five million, four hundred thirty-eight thousand, three hundred seventy-six".