28408031050 has 48 divisors (see below), whose sum is σ = 63939568320. Its totient is φ = 9166959360.

The previous prime is 28408030979. The next prime is 28408031053. The reversal of 28408031050 is 5013080482.

It is not an unprimeable number, because it can be changed into a prime (28408031053) 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, 2381280 + ... + 2393179.

It is an arithmetic number, because the mean of its divisors is an integer number (1332074340).

Almost surely, 2^28408031050 is an apocalyptic number.

28408031050 is an abundant number, since it is smaller than the sum of its proper divisors (35531537270).

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

28408031050 is a wasteful number, since it uses less digits than its factorization.

28408031050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774495 (or 4774490 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 28408031050 in words is "twenty-eight billion, four hundred eight million, thirty-one thousand, fifty".