355245660 has 432 divisors, whose sum is σ = 1437875712. Its totient is φ = 68947200.

The previous prime is 355245637. The next prime is 355245707. The reversal of 355245660 is 66542553.

It is a happy number.

355245660 is a `hidden beast` number, since 3 + 552 + 45 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5003425 + ... + 5003495.

It is an arithmetic number, because the mean of its divisors is an integer number (3328416).

Almost surely, 2^355245660 is an apocalyptic number.

355245660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 355245660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718937856).

355245660 is an abundant number, since it is smaller than the sum of its proper divisors (1082630052).

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

355245660 is a wasteful number, since it uses less digits than its factorization.

355245660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 355245660 is about 18847.9616935095. The cubic root of 355245660 is about 708.2331655665.

The spelling of 355245660 in words is "three hundred fifty-five million, two hundred forty-five thousand, six hundred sixty".