383752472640 has 168 divisors, whose sum is σ = 1285917428160. Its totient is φ = 96947905536.

The previous prime is 383752472639. The next prime is 383752472647. The reversal of 383752472640 is 46274257383.

It is not an unprimeable number, because it can be changed into a prime (383752472647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207100 + ... + 900219.

Almost surely, 2^383752472640 is an apocalyptic number.

383752472640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383752472640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642958714080).

383752472640 is an abundant number, since it is smaller than the sum of its proper divisors (902164955520).

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

383752472640 is a wasteful number, since it uses less digits than its factorization.

383752472640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107377 (or 1107348 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 383752472640 in words is "three hundred eighty-three billion, seven hundred fifty-two million, four hundred seventy-two thousand, six hundred forty".