28563010540 has 24 divisors (see below), whose sum is σ = 59986770480. Its totient is φ = 11424356928.

The previous prime is 28563010519. The next prime is 28563010559. The reversal of 28563010540 is 4501036582.

It is a super-2 number, since 2×28563010540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28563010496 and 28563010505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272154 + ... + 362206.

It is an arithmetic number, because the mean of its divisors is an integer number (2499448770).

Almost surely, 2^28563010540 is an apocalyptic number.

28563010540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28563010540 is an abundant number, since it is smaller than the sum of its proper divisors (31423759940).

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

28563010540 is a wasteful number, since it uses less digits than its factorization.

28563010540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105921 (or 105919 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 28563010540 in words is "twenty-eight billion, five hundred sixty-three million, ten thousand, five hundred forty".