380305780992 has 144 divisors (see below), whose sum is σ = 1163412096000. Its totient is φ = 122397198336.

The previous prime is 380305780973. The next prime is 380305780999. The reversal of 380305780992 is 299087503083.

It is a happy number.

380305780992 is a `hidden beast` number, since 38 + 0 + 30 + 578 + 0 + 9 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (380305780999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748192 + ... + 1149087.

Almost surely, 2^380305780992 is an apocalyptic number.

380305780992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

380305780992 is an abundant number, since it is smaller than the sum of its proper divisors (783106315008).

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

380305780992 is a wasteful number, since it uses less digits than its factorization.

380305780992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897333 (or 1897313 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 380305780992 in words is "three hundred eighty billion, three hundred five million, seven hundred eighty thousand, nine hundred ninety-two".