40405370733 has 48 divisors (see below), whose sum is σ = 73360175616. Its totient is φ = 20859240960.

The previous prime is 40405370711. The next prime is 40405370777. The reversal of 40405370733 is 33707350404.

It is not a de Polignac number, because 40405370733 - 2¹⁰ = 40405369709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40405370933) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 486348 + ... + 563333.

It is an arithmetic number, because the mean of its divisors is an integer number (1528336992).

Almost surely, 2^40405370733 is an apocalyptic number.

It is an amenable number.

40405370733 is a deficient number, since it is larger than the sum of its proper divisors (32954804883).

40405370733 is a wasteful number, since it uses less digits than its factorization.

40405370733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049754 (or 1049751 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 36.

The spelling of 40405370733 in words is "forty billion, four hundred five million, three hundred seventy thousand, seven hundred thirty-three".