40814757 has 6 divisors (see below), whose sum is σ = 58954662. Its totient is φ = 27209832.

The previous prime is 40814749. The next prime is 40814759. The reversal of 40814757 is 75741804.

40814757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33246756 + 7568001 = 5766^2 + 2751^2 .

It is not a de Polignac number, because 40814757 - 2³ = 40814749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40814759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2267478 + ... + 2267495.

It is an arithmetic number, because the mean of its divisors is an integer number (9825777).

Almost surely, 2^40814757 is an apocalyptic number.

It is an amenable number.

40814757 is a deficient number, since it is larger than the sum of its proper divisors (18139905).

40814757 is a wasteful number, since it uses less digits than its factorization.

40814757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534979 (or 4534976 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 40814757 is about 6388.6428136186. The cubic root of 40814757 is about 344.3016244253.

The spelling of 40814757 in words is "forty million, eight hundred fourteen thousand, seven hundred fifty-seven".