40468783345 has 4 divisors (see below), whose sum is σ = 48562540020. Its totient is φ = 32375026672.

The previous prime is 40468783343. The next prime is 40468783351. The reversal of 40468783345 is 54338786404.

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 24400939264 + 16067844081 = 156208^2 + 126759^2 .

It is a cyclic number.

It is not a de Polignac number, because 40468783345 - 2¹ = 40468783343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40468783292 and 40468783301.

It is not an unprimeable number, because it can be changed into a prime (40468783343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4046878330 + ... + 4046878339.

It is an arithmetic number, because the mean of its divisors is an integer number (12140635005).

Almost surely, 2^40468783345 is an apocalyptic number.

It is an amenable number.

40468783345 is a deficient number, since it is larger than the sum of its proper divisors (8093756675).

40468783345 is an equidigital number, since it uses as much as digits as its factorization.

40468783345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093756674.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 40468783345 in words is "forty billion, four hundred sixty-eight million, seven hundred eighty-three thousand, three hundred forty-five".