40206228028 has 48 divisors (see below), whose sum is σ = 74682609120. Its totient is φ = 18916352000.

The previous prime is 40206228011. The next prime is 40206228043. The reversal of 40206228028 is 82082260204.

It is a junction number, because it is equal to n+sod(n) for n = 40206227984 and 40206228002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473628 + ... + 552028.

It is an arithmetic number, because the mean of its divisors is an integer number (1555887690).

Almost surely, 2^40206228028 is an apocalyptic number.

It is an amenable number.

40206228028 is a deficient number, since it is larger than the sum of its proper divisors (34476381092).

40206228028 is a wasteful number, since it uses less digits than its factorization.

40206228028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78558 (or 78556 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The spelling of 40206228028 in words is "forty billion, two hundred six million, two hundred twenty-eight thousand, twenty-eight".