378989218020 has 96 divisors (see below), whose sum is σ = 1215528652800. Its totient is φ = 86428738944.

The previous prime is 378989218019. The next prime is 378989218033. The reversal of 378989218020 is 20812989873.

It is a super-2 number, since 2×378989218020² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843360 + ... + 1212119.

It is an arithmetic number, because the mean of its divisors is an integer number (12661756800).

Almost surely, 2^378989218020 is an apocalyptic number.

378989218020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378989218020 is an abundant number, since it is smaller than the sum of its proper divisors (836539434780).

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

378989218020 is a wasteful number, since it uses less digits than its factorization.

378989218020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055937 (or 2055935 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 378989218020 in words is "three hundred seventy-eight billion, nine hundred eighty-nine million, two hundred eighteen thousand, twenty".