28457436326 has 16 divisors (see below), whose sum is σ = 46570601808. Its totient is φ = 12934118400.

The previous prime is 28457436323. The next prime is 28457436347. The reversal of 28457436326 is 62363475482.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28457436323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254726 + ... + 348998.

It is an arithmetic number, because the mean of its divisors is an integer number (2910662613).

Almost surely, 2^28457436326 is an apocalyptic number.

28457436326 is a deficient number, since it is larger than the sum of its proper divisors (18113165482).

28457436326 is a wasteful number, since it uses less digits than its factorization.

28457436326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108007.

The product of its digits is 5806080, while the sum is 50.

The spelling of 28457436326 in words is "twenty-eight billion, four hundred fifty-seven million, four hundred thirty-six thousand, three hundred twenty-six".