28695414140 has 12 divisors (see below), whose sum is σ = 60260369736. Its totient is φ = 11478165648.

The previous prime is 28695414119. The next prime is 28695414149. The reversal of 28695414140 is 4141459682.

It is a super-2 number, since 2×28695414140² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28695414091 and 28695414100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28695414149) 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, 717385334 + ... + 717385373.

It is an arithmetic number, because the mean of its divisors is an integer number (5021697478).

Almost surely, 2^28695414140 is an apocalyptic number.

28695414140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28695414140 is an abundant number, since it is smaller than the sum of its proper divisors (31564955596).

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

28695414140 is a wasteful number, since it uses less digits than its factorization.

28695414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434770716 (or 1434770714 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 28695414140 in words is "twenty-eight billion, six hundred ninety-five million, four hundred fourteen thousand, one hundred forty".