385572545280 has 720 divisors, whose sum is σ = 1493197874784. Its totient is φ = 94436720640.

The previous prime is 385572545279. The next prime is 385572545327. The reversal of 385572545280 is 82545275583.

It is a happy number.

385572545280 is a `hidden beast` number, since 3 + 8 + 5 + 5 + 72 + 545 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 324828847 + ... + 324830033.

Almost surely, 2^385572545280 is an apocalyptic number.

385572545280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385572545280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746598937392).

385572545280 is an abundant number, since it is smaller than the sum of its proper divisors (1107625329504).

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

385572545280 is a wasteful number, since it uses less digits than its factorization.

385572545280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 54.

The spelling of 385572545280 in words is "three hundred eighty-five billion, five hundred seventy-two million, five hundred forty-five thousand, two hundred eighty".