40270660028 has 12 divisors (see below), whose sum is σ = 70662595080. Its totient is φ = 20081347152.

The previous prime is 40270660013. The next prime is 40270660033. The reversal of 40270660028 is 82006607204.

It is a self number, because there is not a number n which added to its sum of digits gives 40270660028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13494038 + ... + 13497021.

It is an arithmetic number, because the mean of its divisors is an integer number (5888549590).

Almost surely, 2^40270660028 is an apocalyptic number.

It is an amenable number.

40270660028 is a deficient number, since it is larger than the sum of its proper divisors (30391935052).

40270660028 is a wasteful number, since it uses less digits than its factorization.

40270660028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26991436 (or 26991434 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 40270660028 in words is "forty billion, two hundred seventy million, six hundred sixty thousand, twenty-eight".