389878272000 has 2080 divisors, whose sum is σ = 1781145400320. Its totient is φ = 82811289600.

The previous prime is 389878271963. The next prime is 389878272073. The reversal of 389878272000 is 272878983.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4935167961 + ... + 4935168039.

It is an arithmetic number, because the mean of its divisors is an integer number (856319904).

Almost surely, 2^389878272000 is an apocalyptic number.

389878272000 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 389878272000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890572700160).

389878272000 is an abundant number, since it is smaller than the sum of its proper divisors (1391267128320).

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

389878272000 is an equidigital number, since it uses as much as digits as its factorization.

389878272000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 389878272000 in words is "three hundred eighty-nine billion, eight hundred seventy-eight million, two hundred seventy-two thousand".