389757039840 has 192 divisors, whose sum is σ = 1559028280320. Its totient is φ = 89087316480.

The previous prime is 389757039839. The next prime is 389757039851. The reversal of 389757039840 is 48930757983.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 6414156 + ... + 6474635.

It is an arithmetic number, because the mean of its divisors is an integer number (8119938960).

Almost surely, 2^389757039840 is an apocalyptic number.

389757039840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389757039840 is an abundant number, since it is smaller than the sum of its proper divisors (1169271240480).

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

389757039840 is a wasteful number, since it uses less digits than its factorization.

389757039840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888822 (or 12888808 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 389757039840 in words is "three hundred eighty-nine billion, seven hundred fifty-seven million, thirty-nine thousand, eight hundred forty".