305726378612 has 12 divisors (see below), whose sum is σ = 558282952416. Its totient is φ = 146216963640.

The previous prime is 305726378603. The next prime is 305726378621. The reversal of 305726378612 is 216873627503.

It is an interprime number because it is at equal distance from previous prime (305726378603) and next prime (305726378621).

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, 1661556314 + ... + 1661556497.

It is an arithmetic number, because the mean of its divisors is an integer number (46523579368).

Almost surely, 2^305726378612 is an apocalyptic number.

It is an amenable number.

305726378612 is a deficient number, since it is larger than the sum of its proper divisors (252556573804).

305726378612 is a wasteful number, since it uses less digits than its factorization.

305726378612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323112838 (or 3323112836 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 305726378612 in words is "three hundred five billion, seven hundred twenty-six million, three hundred seventy-eight thousand, six hundred twelve".