352393209720 has 128 divisors (see below), whose sum is σ = 1175589000000. Its totient is φ = 93895925760.

The previous prime is 352393209667. The next prime is 352393209731. The reversal of 352393209720 is 27902393253.

352393209720 is a `hidden beast` number, since 3 + 5 + 239 + 320 + 97 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1218300 + ... + 1479540.

Almost surely, 2^352393209720 is an apocalyptic number.

352393209720 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 352393209720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587794500000).

352393209720 is an abundant number, since it is smaller than the sum of its proper divisors (823195790280).

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

352393209720 is a wasteful number, since it uses less digits than its factorization.

352393209720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262510 (or 262500 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The spelling of 352393209720 in words is "three hundred fifty-two billion, three hundred ninety-three million, two hundred nine thousand, seven hundred twenty".