383412921220 has 48 divisors (see below), whose sum is σ = 920236947840. Its totient is φ = 131449296384.

The previous prime is 383412921211. The next prime is 383412921277. The reversal of 383412921220 is 22129214383.

It is a self number, because there is not a number n which added to its sum of digits gives 383412921220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3356892 + ... + 3469228.

It is an arithmetic number, because the mean of its divisors is an integer number (19171603080).

Almost surely, 2^383412921220 is an apocalyptic number.

It is an amenable number.

383412921220 is an abundant number, since it is smaller than the sum of its proper divisors (536824026620).

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

383412921220 is a wasteful number, since it uses less digits than its factorization.

383412921220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136732 (or 136730 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 383412921220 in words is "three hundred eighty-three billion, four hundred twelve million, nine hundred twenty-one thousand, two hundred twenty".