354580660 has 144 divisors (see below), whose sum is σ = 925041600. Its totient is φ = 113508864.

The previous prime is 354580631. The next prime is 354580661. The reversal of 354580660 is 66085453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354580661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2550871 + ... + 2551009.

It is an arithmetic number, because the mean of its divisors is an integer number (6423900).

Almost surely, 2^354580660 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 354580660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462520800).

354580660 is an abundant number, since it is smaller than the sum of its proper divisors (570460940).

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

354580660 is a wasteful number, since it uses less digits than its factorization.

354580660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 354580660 is about 18830.3122650688. The cubic root of 354580660 is about 707.7909652398.

The spelling of 354580660 in words is "three hundred fifty-four million, five hundred eighty thousand, six hundred sixty".