28058334426 has 48 divisors (see below), whose sum is σ = 61660478880. Its totient is φ = 9219824160.

The previous prime is 28058334397. The next prime is 28058334427. The reversal of 28058334426 is 62443385082.

28058334426 is a `hidden beast` number, since 2 + 8 + 0 + 583 + 3 + 44 + 26 = 666.

It is a super-2 number, since 2×28058334426² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28058334427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668365 + ... + 709103.

It is an arithmetic number, because the mean of its divisors is an integer number (1284593310).

Almost surely, 2^28058334426 is an apocalyptic number.

28058334426 is an abundant number, since it is smaller than the sum of its proper divisors (33602144454).

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

28058334426 is a wasteful number, since it uses less digits than its factorization.

28058334426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41291 (or 41288 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 28058334426 in words is "twenty-eight billion, fifty-eight million, three hundred thirty-four thousand, four hundred twenty-six".