386630421940 has 48 divisors (see below), whose sum is σ = 930716486784. Its totient is φ = 132158505600.

The previous prime is 386630421929. The next prime is 386630422033. The reversal of 386630421940 is 49124036683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4125331 + ... + 4218010.

It is an arithmetic number, because the mean of its divisors is an integer number (19389926808).

Almost surely, 2^386630421940 is an apocalyptic number.

It is an amenable number.

386630421940 is an abundant number, since it is smaller than the sum of its proper divisors (544086064844).

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

386630421940 is a wasteful number, since it uses less digits than its factorization.

386630421940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343688 (or 8343686 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 386630421940 in words is "three hundred eighty-six billion, six hundred thirty million, four hundred twenty-one thousand, nine hundred forty".