8120256446 has 8 divisors (see below), whose sum is σ = 12190530144. Its totient is φ = 4056746400.

The previous prime is 8120256437. The next prime is 8120256451. The reversal of 8120256446 is 6446520218.

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

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, 1687910 + ... + 1692713.

It is an arithmetic number, because the mean of its divisors is an integer number (1523816268).

Almost surely, 2^8120256446 is an apocalyptic number.

8120256446 is a deficient number, since it is larger than the sum of its proper divisors (4070273698).

8120256446 is a wasteful number, since it uses less digits than its factorization.

8120256446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381826.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 8120256446 is about 90112.4655416774. The cubic root of 8120256446 is about 2009.9715717537.

The spelling of 8120256446 in words is "eight billion, one hundred twenty million, two hundred fifty-six thousand, four hundred forty-six".