405989088060 has 48 divisors (see below), whose sum is σ = 1196599420800. Its totient is φ = 102565664064.

The previous prime is 405989088049. The next prime is 405989088067. The reversal of 405989088060 is 60880989504.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405989088067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178064250 + ... + 178066529.

It is an arithmetic number, because the mean of its divisors is an integer number (24929154600).

Almost surely, 2^405989088060 is an apocalyptic number.

It is an amenable number.

405989088060 is an abundant number, since it is smaller than the sum of its proper divisors (790610332740).

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

405989088060 is a wasteful number, since it uses less digits than its factorization.

405989088060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356130810 (or 356130808 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 405989088060 in words is "four hundred five billion, nine hundred eighty-nine million, eighty-eight thousand, sixty".