28340211230 has 16 divisors (see below), whose sum is σ = 51137112240. Its totient is φ = 11308366272.

The previous prime is 28340211223. The next prime is 28340211241. The reversal of 28340211230 is 3211204382.

It is a super-2 number, since 2×28340211230² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28340211230.

It is a congruent number.

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, 3460484 + ... + 3468663.

It is an arithmetic number, because the mean of its divisors is an integer number (3196069515).

Almost surely, 2^28340211230 is an apocalyptic number.

28340211230 is a deficient number, since it is larger than the sum of its proper divisors (22796901010).

28340211230 is a wasteful number, since it uses less digits than its factorization.

28340211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929563.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 28340211230 in words is "twenty-eight billion, three hundred forty million, two hundred eleven thousand, two hundred thirty".