40854757 has 12 divisors (see below), whose sum is σ = 43893900. Its totient is φ = 37892736.

The previous prime is 40854743. The next prime is 40854787. The reversal of 40854757 is 75745804.

It can be written as a sum of positive squares in 2 ways, for example, as 17564481 + 23290276 = 4191^2 + 4826^2 .

It is not a de Polignac number, because 40854757 - 2¹⁹ = 40330469 is a prime.

It is a super-2 number, since 2×40854757² = 3338222339058098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40854787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274119 + ... + 274267.

It is an arithmetic number, because the mean of its divisors is an integer number (3657825).

Almost surely, 2^40854757 is an apocalyptic number.

It is an amenable number.

40854757 is a deficient number, since it is larger than the sum of its proper divisors (3039143).

40854757 is a wasteful number, since it uses less digits than its factorization.

40854757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 40854757 is about 6391.7726023381. The cubic root of 40854757 is about 344.4140638908.

The spelling of 40854757 in words is "forty million, eight hundred fifty-four thousand, seven hundred fifty-seven".