385806047274 has 16 divisors (see below), whose sum is σ = 857346771840. Its totient is φ = 128602015740.

The previous prime is 385806047267. The next prime is 385806047293. The reversal of 385806047274 is 472740608583.

385806047274 is a `hidden beast` number, since 3 + 8 + 5 + 8 + 0 + 604 + 7 + 27 + 4 = 666.

It is a super-2 number, since 2×385806047274² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 7144556431 = 385806047274 / (3 + 8 + 5 + 8 + 0 + 6 + 0 + 4 + 7 + 2 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 385806047274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572278162 + ... + 3572278269.

It is an arithmetic number, because the mean of its divisors is an integer number (53584173240).

Almost surely, 2^385806047274 is an apocalyptic number.

385806047274 is an abundant number, since it is smaller than the sum of its proper divisors (471540724566).

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

385806047274 is a wasteful number, since it uses less digits than its factorization.

385806047274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144556442 (or 7144556436 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 385806047274 in words is "three hundred eighty-five billion, eight hundred six million, forty-seven thousand, two hundred seventy-four".