28948245460 has 48 divisors (see below), whose sum is σ = 61117068096. Its totient is φ = 11517403392.

The previous prime is 28948245421. The next prime is 28948245503. The reversal of 28948245460 is 6454284982.

It is a happy number.

It is a super-2 number, since 2×28948245460² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28948245398 and 28948245407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3318064 + ... + 3326776.

It is an arithmetic number, because the mean of its divisors is an integer number (1273272252).

Almost surely, 2^28948245460 is an apocalyptic number.

28948245460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28948245460 is an abundant number, since it is smaller than the sum of its proper divisors (32168822636).

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

28948245460 is a wasteful number, since it uses less digits than its factorization.

28948245460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9592 (or 9590 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 28948245460 in words is "twenty-eight billion, nine hundred forty-eight million, two hundred forty-five thousand, four hundred sixty".