28012940470 has 16 divisors (see below), whose sum is σ = 51496129728. Its totient is φ = 10966768000.

The previous prime is 28012940467. The next prime is 28012940477. The reversal of 28012940470 is 7404921082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28012940477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29800531 + ... + 29801470.

It is an arithmetic number, because the mean of its divisors is an integer number (3218508108).

Almost surely, 2^28012940470 is an apocalyptic number.

28012940470 is a deficient number, since it is larger than the sum of its proper divisors (23483189258).

28012940470 is a wasteful number, since it uses less digits than its factorization.

28012940470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59602055.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 28012940470 in words is "twenty-eight billion, twelve million, nine hundred forty thousand, four hundred seventy".