380553989500 has 24 divisors (see below), whose sum is σ = 831129914160. Its totient is φ = 152221595600.

The previous prime is 380553989489. The next prime is 380553989507. The reversal of 380553989500 is 5989355083.

It is a happy number.

It is a super-2 number, since 2×380553989500² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380553989507) by changing a digit.

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, 380553490 + ... + 380554489.

It is an arithmetic number, because the mean of its divisors is an integer number (34630413090).

Almost surely, 2^380553989500 is an apocalyptic number.

It is an amenable number.

380553989500 is an abundant number, since it is smaller than the sum of its proper divisors (450575924660).

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

380553989500 is a wasteful number, since it uses less digits than its factorization.

380553989500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761107998 (or 761107986 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 55.

The spelling of 380553989500 in words is "three hundred eighty billion, five hundred fifty-three million, nine hundred eighty-nine thousand, five hundred".