40781734073475 has 12 divisors (see below), whose sum is σ = 67425800334936. Its totient is φ = 21750258172480.

The previous prime is 40781734073473. The next prime is 40781734073501. The reversal of 40781734073475 is 57437043718704.

It is not a de Polignac number, because 40781734073475 - 2¹ = 40781734073473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40781734073471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271878227082 + ... + 271878227231.

It is an arithmetic number, because the mean of its divisors is an integer number (5618816694578).

Almost surely, 2^{40781734073475} is an apocalyptic number.

40781734073475 is a deficient number, since it is larger than the sum of its proper divisors (26644066261461).

40781734073475 is a wasteful number, since it uses less digits than its factorization.

40781734073475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543756454326 (or 543756454321 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 60.

The spelling of 40781734073475 in words is "forty trillion, seven hundred eighty-one billion, seven hundred thirty-four million, seventy-three thousand, four hundred seventy-five".