28365050434 has 16 divisors (see below), whose sum is σ = 48952152000. Its totient is φ = 12074862384.

The previous prime is 28365050381. The next prime is 28365050471. The reversal of 28365050434 is 43405056382.

It is a super-2 number, since 2×28365050434² (a number of 22 digits) contains 22 as substring.

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, 6796824 + ... + 6800995.

It is an arithmetic number, because the mean of its divisors is an integer number (3059509500).

Almost surely, 2^28365050434 is an apocalyptic number.

28365050434 is a deficient number, since it is larger than the sum of its proper divisors (20587101566).

28365050434 is a wasteful number, since it uses less digits than its factorization.

28365050434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13597977.

The product of its (nonzero) digits is 345600, while the sum is 40.

It can be divided in two parts, 283650 and 50434, that added together give a square (334084 = 578²).

The spelling of 28365050434 in words is "twenty-eight billion, three hundred sixty-five million, fifty thousand, four hundred thirty-four".