385466578155 has 24 divisors (see below), whose sum is σ = 668378132448. Its totient is φ = 205509540096.

The previous prime is 385466578139. The next prime is 385466578171. The reversal of 385466578155 is 551875664583.

385466578155 is a `hidden beast` number, since 3 + 8 + 5 + 4 + 6 + 6 + 578 + 1 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (385466578139) and next prime (385466578171).

It is not a de Polignac number, because 385466578155 - 2⁴ = 385466578139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385466578092 and 385466578101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1384327 + ... + 1639296.

It is an arithmetic number, because the mean of its divisors is an integer number (27849088852).

Almost surely, 2^385466578155 is an apocalyptic number.

385466578155 is a deficient number, since it is larger than the sum of its proper divisors (282911554293).

385466578155 is a wasteful number, since it uses less digits than its factorization.

385466578155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026467 (or 3026464 counting only the distinct ones).

The product of its digits is 120960000, while the sum is 63.

The spelling of 385466578155 in words is "three hundred eighty-five billion, four hundred sixty-six million, five hundred seventy-eight thousand, one hundred fifty-five".