405559602 has 64 divisors (see below), whose sum is σ = 1032345600. Its totient is φ = 115609680.

The previous prime is 405559601. The next prime is 405559607. The reversal of 405559602 is 206955504.

405559602 is a `hidden beast` number, since 40 + 5 + 5 + 5 + 9 + 602 = 666.

It is not an unprimeable number, because it can be changed into a prime (405559601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214899 + ... + 216777.

It is an arithmetic number, because the mean of its divisors is an integer number (16130400).

Almost surely, 2^405559602 is an apocalyptic number.

405559602 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 405559602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516172800).

405559602 is an abundant number, since it is smaller than the sum of its proper divisors (626785998).

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

405559602 is a wasteful number, since it uses less digits than its factorization.

405559602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 405559602 is about 20138.5104215779. The cubic root of 405559602 is about 740.2042302139.

The spelling of 405559602 in words is "four hundred five million, five hundred fifty-nine thousand, six hundred two".