385284456515 has 8 divisors (see below), whose sum is σ = 528390111840. Its totient is φ = 264195055872.

The previous prime is 385284456439. The next prime is 385284456521. The reversal of 385284456515 is 515654482583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385284456515 - 2¹² = 385284452419 is a prime.

It is a super-2 number, since 2×385284456515² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504063630 + ... + 5504063699.

It is an arithmetic number, because the mean of its divisors is an integer number (66048763980).

Almost surely, 2^385284456515 is an apocalyptic number.

385284456515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385284456515 is a deficient number, since it is larger than the sum of its proper divisors (143105655325).

385284456515 is a wasteful number, since it uses less digits than its factorization.

385284456515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11008127341.

The product of its digits is 23040000, while the sum is 56.

The spelling of 385284456515 in words is "three hundred eighty-five billion, two hundred eighty-four million, four hundred fifty-six thousand, five hundred fifteen".