408855351285 has 24 divisors (see below), whose sum is σ = 715699276344. Its totient is φ = 215897212800.

The previous prime is 408855351251. The next prime is 408855351287. The reversal of 408855351285 is 582153558804.

408855351285 is a `hidden beast` number, since 4 + 0 + 8 + 8 + 5 + 5 + 351 + 285 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 54260111844 + 354595239441 = 232938^2 + 595479^2 .

It is not a de Polignac number, because 408855351285 - 2¹⁰ = 408855350261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408855351287) 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, 44974042 + ... + 44983131.

It is an arithmetic number, because the mean of its divisors is an integer number (29820803181).

Almost surely, 2^408855351285 is an apocalyptic number.

408855351285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

408855351285 is a deficient number, since it is larger than the sum of its proper divisors (306843925059).

408855351285 is a wasteful number, since it uses less digits than its factorization.

408855351285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89957285 (or 89957282 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 54.

The spelling of 408855351285 in words is "four hundred eight billion, eight hundred fifty-five million, three hundred fifty-one thousand, two hundred eighty-five".