28472507104840 has 32 divisors (see below), whose sum is σ = 64446752623680. Its totient is φ = 11320805217472.

The previous prime is 28472507104807. The next prime is 28472507104879. The reversal of 28472507104840 is 4840170527482.

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, 2131169002 + ... + 2131182361.

It is an arithmetic number, because the mean of its divisors is an integer number (2013961019490).

Almost surely, 2^{28472507104840} is an apocalyptic number.

28472507104840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28472507104840 is an abundant number, since it is smaller than the sum of its proper divisors (35974245518840).

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

28472507104840 is a wasteful number, since it uses less digits than its factorization.

28472507104840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262351541 (or 4262351537 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 52.

The spelling of 28472507104840 in words is "twenty-eight trillion, four hundred seventy-two billion, five hundred seven million, one hundred four thousand, eight hundred forty".