40740736690 has 32 divisors (see below), whose sum is σ = 74268684864. Its totient is φ = 16089702720.

The previous prime is 40740736649. The next prime is 40740736693. The reversal of 40740736690 is 9663704704.

It is a super-2 number, since 2×40740736690² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40740736690.

It is not an unprimeable number, because it can be changed into a prime (40740736693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179137 + ... + 337003.

It is an arithmetic number, because the mean of its divisors is an integer number (2320896402).

Almost surely, 2^40740736690 is an apocalyptic number.

40740736690 is a deficient number, since it is larger than the sum of its proper divisors (33527948174).

40740736690 is a wasteful number, since it uses less digits than its factorization.

40740736690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158202.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 40740736690 in words is "forty billion, seven hundred forty million, seven hundred thirty-six thousand, six hundred ninety".