306245263656446 has 8 divisors (see below), whose sum is σ = 465837865843824. Its totient is φ = 150965975041840.

The previous prime is 306245263656401. The next prime is 306245263656461. The reversal of 306245263656446 is 644656362542603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×306245263656446² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078328393015 + ... + 1078328393298.

It is an arithmetic number, because the mean of its divisors is an integer number (58229733230478).

Almost surely, 2^{306245263656446} is an apocalyptic number.

306245263656446 is a deficient number, since it is larger than the sum of its proper divisors (159592602187378).

306245263656446 is a wasteful number, since it uses less digits than its factorization.

306245263656446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156656786386.

The product of its (nonzero) digits is 447897600, while the sum is 62.

The spelling of 306245263656446 in words is "three hundred six trillion, two hundred forty-five billion, two hundred sixty-three million, six hundred fifty-six thousand, four hundred forty-six".