28926301540 has 12 divisors (see below), whose sum is σ = 60745233276. Its totient is φ = 11570520608.

The previous prime is 28926301513. The next prime is 28926301543. The reversal of 28926301540 is 4510362982.

It can be written as a sum of positive squares in 2 ways, for example, as 7038874404 + 21887427136 = 83898^2 + 147944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28926301493 and 28926301502.

It is not an unprimeable number, because it can be changed into a prime (28926301543) 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, 723157519 + ... + 723157558.

It is an arithmetic number, because the mean of its divisors is an integer number (5062102773).

Almost surely, 2^28926301540 is an apocalyptic number.

28926301540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28926301540 is an abundant number, since it is smaller than the sum of its proper divisors (31818931736).

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

28926301540 is a wasteful number, since it uses less digits than its factorization.

28926301540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446315086 (or 1446315084 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 28926301540 in words is "twenty-eight billion, nine hundred twenty-six million, three hundred one thousand, five hundred forty".