352985358640 has 40 divisors (see below), whose sum is σ = 820987007040. Its totient is φ = 141143210496.

The previous prime is 352985358571. The next prime is 352985358643. The reversal of 352985358640 is 46853589253.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (352985358643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572280 + ... + 1016599.

It is an arithmetic number, because the mean of its divisors is an integer number (20524675176).

Almost surely, 2^352985358640 is an apocalyptic number.

It is an amenable number.

352985358640 is an abundant number, since it is smaller than the sum of its proper divisors (468001648400).

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

352985358640 is a wasteful number, since it uses less digits than its factorization.

352985358640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591669 (or 1591663 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 58.

The spelling of 352985358640 in words is "three hundred fifty-two billion, nine hundred eighty-five million, three hundred fifty-eight thousand, six hundred forty".