28261062040 has 16 divisors (see below), whose sum is σ = 63587389680. Its totient is φ = 11304424800.

The previous prime is 28261062031. The next prime is 28261062059. The reversal of 28261062040 is 4026016282.

It is a junction number, because it is equal to n+sod(n) for n = 28261061993 and 28261062011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353263236 + ... + 353263315.

It is an arithmetic number, because the mean of its divisors is an integer number (3974211855).

Almost surely, 2^28261062040 is an apocalyptic number.

28261062040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28261062040 is an abundant number, since it is smaller than the sum of its proper divisors (35326327640).

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

28261062040 is a wasteful number, since it uses less digits than its factorization.

28261062040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706526562 (or 706526558 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 28261062040 in words is "twenty-eight billion, two hundred sixty-one million, sixty-two thousand, forty".