545466636 has 240 divisors, whose sum is σ = 1711536288. Its totient is φ = 149299200.

The previous prime is 545466587. The next prime is 545466661. The reversal of 545466636 is 636664545.

It is a junction number, because it is equal to n+sod(n) for n = 545466591 and 545466600.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2826156 + ... + 2826348.

Almost surely, 2^545466636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545466636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855768144).

545466636 is an abundant number, since it is smaller than the sum of its proper divisors (1166069652).

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

545466636 is a wasteful number, since it uses less digits than its factorization.

545466636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 283 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The square root of 545466636 is about 23355.2271665253. The cubic root of 545466636 is about 817.0639775674.

The spelling of 545466636 in words is "five hundred forty-five million, four hundred sixty-six thousand, six hundred thirty-six".