4385385840528 has 120 divisors (see below), whose sum is σ = 15301389594816. Its totient is φ = 1139061254400.

The previous prime is 4385385840523. The next prime is 4385385840557. The reversal of 4385385840528 is 8250485835834.

4385385840528 is a `hidden beast` number, since 4 + 3 + 8 + 53 + 8 + 58 + 4 + 0 + 528 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (4385385840523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197742603 + ... + 197764778.

Almost surely, 2^{4385385840528} is an apocalyptic number.

4385385840528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4385385840528 is an abundant number, since it is smaller than the sum of its proper divisors (10916003754288).

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

4385385840528 is a wasteful number, since it uses less digits than its factorization.

4385385840528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395507413 (or 395507404 counting only the distinct ones).

The product of its (nonzero) digits is 147456000, while the sum is 63.

The spelling of 4385385840528 in words is "four trillion, three hundred eighty-five billion, three hundred eighty-five million, eight hundred forty thousand, five hundred twenty-eight".