385836383840 has 48 divisors (see below), whose sum is σ = 917575192800. Its totient is φ = 153312460800.

The previous prime is 385836383819. The next prime is 385836383903. The reversal of 385836383840 is 48383638583.

It is a self number, because there is not a number n which added to its sum of digits gives 385836383840.

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, 7960865 + ... + 8009184.

It is an arithmetic number, because the mean of its divisors is an integer number (19116149850).

Almost surely, 2^385836383840 is an apocalyptic number.

It is an amenable number.

385836383840 is an abundant number, since it is smaller than the sum of its proper divisors (531738808960).

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

385836383840 is a wasteful number, since it uses less digits than its factorization.

385836383840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970215 (or 15970207 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 59.

The spelling of 385836383840 in words is "three hundred eighty-five billion, eight hundred thirty-six million, three hundred eighty-three thousand, eight hundred forty".