383619449952 has 72 divisors (see below), whose sum is σ = 1131322197096. Its totient is φ = 127873147392.

The previous prime is 383619449947. The next prime is 383619449953. The reversal of 383619449952 is 259944916383.

383619449952 is a `hidden beast` number, since 3 + 8 + 3 + 6 + 1 + 94 + 499 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 383619449952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383619449953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24659113 + ... + 24674664.

It is an arithmetic number, because the mean of its divisors is an integer number (15712808293).

Almost surely, 2^383619449952 is an apocalyptic number.

383619449952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

383619449952 is an abundant number, since it is smaller than the sum of its proper divisors (747702747144).

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

383619449952 is an equidigital number, since it uses as much as digits as its factorization.

383619449952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49333802 (or 49333782 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 383619449952 in words is "three hundred eighty-three billion, six hundred nineteen million, four hundred forty-nine thousand, nine hundred fifty-two".