40993180 has 12 divisors (see below), whose sum is σ = 86085720. Its totient is φ = 16397264.

The previous prime is 40993163. The next prime is 40993181. The reversal of 40993180 is 8139904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40993181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024810 + ... + 1024849.

It is an arithmetic number, because the mean of its divisors is an integer number (7173810).

Almost surely, 2^40993180 is an apocalyptic number.

It is an amenable number.

40993180 is an abundant number, since it is smaller than the sum of its proper divisors (45092540).

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

40993180 is a wasteful number, since it uses less digits than its factorization.

40993180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049668 (or 2049666 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 40993180 is about 6402.5916627566. The cubic root of 40993180 is about 344.8026035947.

The spelling of 40993180 in words is "forty million, nine hundred ninety-three thousand, one hundred eighty".