28054484312 has 8 divisors (see below), whose sum is σ = 52602158100. Its totient is φ = 14027242152.

The previous prime is 28054484303. The next prime is 28054484317. The reversal of 28054484312 is 21348445082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×28054484312² (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 28054484312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28054484317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753405262 + ... + 1753405277.

Almost surely, 2^28054484312 is an apocalyptic number.

It is an amenable number.

28054484312 is a deficient number, since it is larger than the sum of its proper divisors (24547673788).

28054484312 is a wasteful number, since it uses less digits than its factorization.

28054484312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506810545 (or 3506810541 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 28054484312 in words is "twenty-eight billion, fifty-four million, four hundred eighty-four thousand, three hundred twelve".