28440506702 has 16 divisors (see below), whose sum is σ = 43511443920. Its totient is φ = 13937257152.

The previous prime is 28440506693. The next prime is 28440506713. The reversal of 28440506702 is 20760504482.

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, 39752 + ... + 241787.

It is an arithmetic number, because the mean of its divisors is an integer number (2719465245).

Almost surely, 2^28440506702 is an apocalyptic number.

28440506702 is a deficient number, since it is larger than the sum of its proper divisors (15070937218).

28440506702 is a wasteful number, since it uses less digits than its factorization.

28440506702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282547.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 28440506702 in words is "twenty-eight billion, four hundred forty million, five hundred six thousand, seven hundred two".