4385860949840 has 40 divisors (see below), whose sum is σ = 10298088377928. Its totient is φ = 1736974630400.

The previous prime is 4385860949803. The next prime is 4385860949887. The reversal of 4385860949840 is 489490685834.

It can be written as a sum of positive squares in 4 ways, for example, as 392146478656 + 3993714471184 = 626216^2 + 1998428^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271394207 + ... + 271410366.

Almost surely, 2^{4385860949840} is an apocalyptic number.

4385860949840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4385860949840 is an abundant number, since it is smaller than the sum of its proper divisors (5912227428088).

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

4385860949840 is a wasteful number, since it uses less digits than its factorization.

4385860949840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542804687 (or 542804681 counting only the distinct ones).

The product of its (nonzero) digits is 238878720, while the sum is 68.

The spelling of 4385860949840 in words is "four trillion, three hundred eighty-five billion, eight hundred sixty million, nine hundred forty-nine thousand, eight hundred forty".