40669743325 has 12 divisors (see below), whose sum is σ = 50505436468. Its totient is φ = 32487436800.

The previous prime is 40669743277. The next prime is 40669743341. The reversal of 40669743325 is 52334796604.

It can be written as a sum of positive squares in 6 ways, for example, as 1710484164 + 38959259161 = 41358^2 + 197381^2 .

It is not a de Polignac number, because 40669743325 - 2²³ = 40661354717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1191786 + ... + 1225435.

Almost surely, 2^40669743325 is an apocalyptic number.

It is an amenable number.

40669743325 is a deficient number, since it is larger than the sum of its proper divisors (9835693143).

40669743325 is a wasteful number, since it uses less digits than its factorization.

40669743325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417904 (or 2417899 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 40669743325 in words is "forty billion, six hundred sixty-nine million, seven hundred forty-three thousand, three hundred twenty-five".