408425056605 has 12 divisors (see below), whose sum is σ = 707936764860. Its totient is φ = 217826696832.

The previous prime is 408425056603. The next prime is 408425056621. The reversal of 408425056605 is 506650524804.

408425056605 is a `hidden beast` number, since 4 + 0 + 84 + 2 + 5 + 0 + 566 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 221702547609 + 186722508996 = 470853^2 + 432114^2 .

It is not a de Polignac number, because 408425056605 - 2¹ = 408425056603 is a prime.

It is a super-2 number, since 2×408425056605² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 9076112369 = 408425056605 / (4 + 0 + 8 + 4 + 2 + 5 + 0 + 5 + 6 + 6 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408425056601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4538056140 + ... + 4538056229.

It is an arithmetic number, because the mean of its divisors is an integer number (58994730405).

Almost surely, 2^408425056605 is an apocalyptic number.

408425056605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

408425056605 is a deficient number, since it is larger than the sum of its proper divisors (299511708255).

408425056605 is a wasteful number, since it uses less digits than its factorization.

408425056605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9076112380 (or 9076112377 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 408425056605 in words is "four hundred eight billion, four hundred twenty-five million, fifty-six thousand, six hundred five".