40345144306 has 16 divisors (see below), whose sum is σ = 60775343928. Its totient is φ = 20086796800.

The previous prime is 40345144303. The next prime is 40345144309. The reversal of 40345144306 is 60344154304.

It is an interprime number because it is at equal distance from previous prime (40345144303) and next prime (40345144309).

It can be written as a sum of positive squares in 4 ways, for example, as 24256505025 + 16088639281 = 155745^2 + 126841^2 .

It is not an unprimeable number, because it can be changed into a prime (40345144303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808086 + ... + 856558.

Almost surely, 2^40345144306 is an apocalyptic number.

40345144306 is a deficient number, since it is larger than the sum of its proper divisors (20430199622).

40345144306 is a wasteful number, since it uses less digits than its factorization.

40345144306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50237.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 40345144306 in words is "forty billion, three hundred forty-five million, one hundred forty-four thousand, three hundred six".