28503352494 has 16 divisors (see below), whose sum is σ = 63340783440. Its totient is φ = 9501117480.

The previous prime is 28503352489. The next prime is 28503352519. The reversal of 28503352494 is 49425330582.

28503352494 is a `hidden beast` number, since 2 + 8 + 5 + 0 + 33 + 524 + 94 = 666.

It is a super-2 number, since 2×28503352494² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263919877 + ... + 263919984.

It is an arithmetic number, because the mean of its divisors is an integer number (3958798965).

Almost surely, 2^28503352494 is an apocalyptic number.

28503352494 is an abundant number, since it is smaller than the sum of its proper divisors (34837430946).

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

28503352494 is a wasteful number, since it uses less digits than its factorization.

28503352494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527839872 (or 527839866 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 28503352494 in words is "twenty-eight billion, five hundred three million, three hundred fifty-two thousand, four hundred ninety-four".