355881720672 has 72 divisors (see below), whose sum is σ = 1025902246824. Its totient is φ = 117002202624.

The previous prime is 355881720631. The next prime is 355881720697. The reversal of 355881720672 is 276027188553.

355881720672 is a `hidden beast` number, since 3 + 558 + 8 + 1 + 7 + 20 + 67 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 8442678 + ... + 8484725.

It is an arithmetic number, because the mean of its divisors is an integer number (14248642317).

Almost surely, 2^355881720672 is an apocalyptic number.

355881720672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

355881720672 is an abundant number, since it is smaller than the sum of its proper divisors (670020526152).

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

355881720672 is a wasteful number, since it uses less digits than its factorization.

355881720672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16927492 (or 16927481 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 355881720672 in words is "three hundred fifty-five billion, eight hundred eighty-one million, seven hundred twenty thousand, six hundred seventy-two".