306440220056152 has 64 divisors (see below), whose sum is σ = 709035622444800. Its totient is φ = 120909232241280.

The previous prime is 306440220056141. The next prime is 306440220056189. The reversal of 306440220056152 is 251650022044603.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555046474 + ... + 555598297.

It is an arithmetic number, because the mean of its divisors is an integer number (11078681600700).

Almost surely, 2^{306440220056152} is an apocalyptic number.

It is an amenable number.

306440220056152 is an abundant number, since it is smaller than the sum of its proper divisors (402595402388648).

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

306440220056152 is a wasteful number, since it uses less digits than its factorization.

306440220056152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110645176 (or 1110645172 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 306440220056152 in words is "three hundred six trillion, four hundred forty billion, two hundred twenty million, fifty-six thousand, one hundred fifty-two".