4028766805326 has 16 divisors (see below), whose sum is σ = 8132837664384. Its totient is φ = 1330371592824.

The previous prime is 4028766805313. The next prime is 4028766805361. The reversal of 4028766805326 is 6235086678204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137668210 + ... + 3137669493.

It is an arithmetic number, because the mean of its divisors is an integer number (508302354024).

Almost surely, 2^{4028766805326} is an apocalyptic number.

4028766805326 is an abundant number, since it is smaller than the sum of its proper divisors (4104070859058).

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

4028766805326 is a wasteful number, since it uses less digits than its factorization.

4028766805326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275337815.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 4028766805326 in words is "four trillion, twenty-eight billion, seven hundred sixty-six million, eight hundred five thousand, three hundred twenty-six".