385993948830 has 64 divisors (see below), whose sum is σ = 1059023973888. Its totient is φ = 88202378880.

The previous prime is 385993948699. The next prime is 385993948883. The reversal of 385993948830 is 38849399583.

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, 495369 + ... + 1008651.

It is an arithmetic number, because the mean of its divisors is an integer number (16547249592).

Almost surely, 2^385993948830 is an apocalyptic number.

385993948830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385993948830 is an abundant number, since it is smaller than the sum of its proper divisors (673030025058).

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

385993948830 is a wasteful number, since it uses less digits than its factorization.

385993948830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516881.

The product of its (nonzero) digits is 201553920, while the sum is 69.

The spelling of 385993948830 in words is "three hundred eighty-five billion, nine hundred ninety-three million, nine hundred forty-eight thousand, eight hundred thirty".