40490006680 has 32 divisors (see below), whose sum is σ = 91120658400. Its totient is φ = 16192777216.

The previous prime is 40490006663. The next prime is 40490006681. The reversal of 40490006680 is 8660009404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40490006681) 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 7 ways as a sum of consecutive naturals, for example, 107901 + ... + 304339.

It is an arithmetic number, because the mean of its divisors is an integer number (2847520575).

Almost surely, 2^40490006680 is an apocalyptic number.

40490006680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40490006680 is an abundant number, since it is smaller than the sum of its proper divisors (50630651720).

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

40490006680 is a wasteful number, since it uses less digits than its factorization.

40490006680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201603 (or 201599 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 40490006680 in words is "forty billion, four hundred ninety million, six thousand, six hundred eighty".