28372220410 has 8 divisors (see below), whose sum is σ = 51069996756. Its totient is φ = 11348888160.

The previous prime is 28372220407. The next prime is 28372220417. The reversal of 28372220410 is 1402227382.

It can be written as a sum of positive squares in 2 ways, for example, as 25776623601 + 2595596809 = 160551^2 + 50947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28372220417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418611011 + ... + 1418611030.

Almost surely, 2^28372220410 is an apocalyptic number.

28372220410 is a deficient number, since it is larger than the sum of its proper divisors (22697776346).

28372220410 is a wasteful number, since it uses less digits than its factorization.

28372220410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837222048.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 28372220410 its reverse (1402227382), we get a palindrome (29774447792).

The spelling of 28372220410 in words is "twenty-eight billion, three hundred seventy-two million, two hundred twenty thousand, four hundred ten".