28340211354 has 32 divisors (see below), whose sum is σ = 69760521600. Its totient is φ = 7474341312.

The previous prime is 28340211299. The next prime is 28340211391. The reversal of 28340211354 is 45311204382.

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, 25952029 + ... + 25953120.

It is an arithmetic number, because the mean of its divisors is an integer number (2180016300).

Almost surely, 2^28340211354 is an apocalyptic number.

28340211354 is an abundant number, since it is smaller than the sum of its proper divisors (41420310246).

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

28340211354 is a wasteful number, since it uses less digits than its factorization.

28340211354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51905174.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 28340211354 in words is "twenty-eight billion, three hundred forty million, two hundred eleven thousand, three hundred fifty-four".