743326531012040 has 32 divisors (see below), whose sum is σ = 1672487152875000. Its totient is φ = 297330175409664.

The previous prime is 743326531011983. The next prime is 743326531012063. The reversal of 743326531012040 is 40210135623347.

It can be written as a sum of positive squares in 4 ways, for example, as 623500800120004 + 119825730892036 = 24969998^2 + 10946494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14622986 + ... + 41236934.

Almost surely, 2^{743326531012040} is an apocalyptic number.

It is an amenable number.

743326531012040 is an abundant number, since it is smaller than the sum of its proper divisors (929160621862960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743326531012040 is a wasteful number, since it uses less digits than its factorization.

743326531012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27312209 (or 27312205 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 743326531012040 its reverse (40210135623347), we get a palindrome (783536666635387).

The spelling of 743326531012040 in words is "seven hundred forty-three trillion, three hundred twenty-six billion, five hundred thirty-one million, twelve thousand, forty".