28205451190 has 16 divisors (see below), whose sum is σ = 58022642592. Its totient is φ = 9670440384.

The previous prime is 28205451173. The next prime is 28205451217. The reversal of 28205451190 is 9115450282.

It is a super-2 number, since 2×28205451190² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201467439 + ... + 201467578.

It is an arithmetic number, because the mean of its divisors is an integer number (3626415162).

Almost surely, 2^28205451190 is an apocalyptic number.

28205451190 is an abundant number, since it is smaller than the sum of its proper divisors (29817191402).

28205451190 is a wasteful number, since it uses less digits than its factorization.

28205451190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402935031.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 28205451190 in words is "twenty-eight billion, two hundred five million, four hundred fifty-one thousand, one hundred ninety".