40757261 has 6 divisors (see below), whose sum is σ = 43015662. Its totient is φ = 38611800.

The previous prime is 40757257. The next prime is 40757273. The reversal of 40757261 is 16275704.

40757261 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., 40513225 + 244036 = 6365^2 + 494^2 .

It is not a de Polignac number, because 40757261 - 2² = 40757257 is a prime.

It is a super-2 number, since 2×40757261² = 3322308648444242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40757201) 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, 56090 + ... + 56811.

It is an arithmetic number, because the mean of its divisors is an integer number (7169277).

Almost surely, 2^40757261 is an apocalyptic number.

It is an amenable number.

40757261 is a deficient number, since it is larger than the sum of its proper divisors (2258401).

40757261 is a wasteful number, since it uses less digits than its factorization.

40757261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112939 (or 112920 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 40757261 is about 6384.1413674824. The cubic root of 40757261 is about 344.1398751750.

The spelling of 40757261 in words is "forty million, seven hundred fifty-seven thousand, two hundred sixty-one".