40107740 has 12 divisors (see below), whose sum is σ = 84226296. Its totient is φ = 16043088.

The previous prime is 40107731. The next prime is 40107751. The reversal of 40107740 is 4770104.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1002674 + ... + 1002713.

It is an arithmetic number, because the mean of its divisors is an integer number (7018858).

Almost surely, 2^40107740 is an apocalyptic number.

It is an amenable number.

40107740 is an abundant number, since it is smaller than the sum of its proper divisors (44118556).

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

40107740 is a wasteful number, since it uses less digits than its factorization.

40107740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005396 (or 2005394 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40107740 is about 6333.0671873903. The cubic root of 40107740 is about 342.3019687440.

Adding to 40107740 its reverse (4770104), we get a palindrome (44877844).

The spelling of 40107740 in words is "forty million, one hundred seven thousand, seven hundred forty".