40228652705 has 4 divisors (see below), whose sum is σ = 48274383252. Its totient is φ = 32182922160.

The previous prime is 40228652683. The next prime is 40228652741. The reversal of 40228652705 is 50725682204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17135595409 + 23093057296 = 130903^2 + 151964^2 .

It is not a de Polignac number, because 40228652705 - 2⁶ = 40228652641 is a prime.

It is a Duffinian 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, 4022865266 + ... + 4022865275.

It is an arithmetic number, because the mean of its divisors is an integer number (12068595813).

Almost surely, 2^40228652705 is an apocalyptic number.

It is an amenable number.

40228652705 is a deficient number, since it is larger than the sum of its proper divisors (8045730547).

40228652705 is an equidigital number, since it uses as much as digits as its factorization.

40228652705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045730546.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 40228652705 in words is "forty billion, two hundred twenty-eight million, six hundred fifty-two thousand, seven hundred five".