40695057 has 12 divisors (see below), whose sum is σ = 63303604. Its totient is φ = 25043040.

The previous prime is 40695049. The next prime is 40695103. The reversal of 40695057 is 75059604.

40695057 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 2 ways, for example, as 26224641 + 14470416 = 5121^2 + 3804^2 .

It is not a de Polignac number, because 40695057 - 2³ = 40695049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40695007) 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 11 ways as a sum of consecutive naturals, for example, 173794 + ... + 174027.

Almost surely, 2^40695057 is an apocalyptic number.

It is an amenable number.

40695057 is a deficient number, since it is larger than the sum of its proper divisors (22608547).

40695057 is a wasteful number, since it uses less digits than its factorization.

40695057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347840 (or 347837 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 40695057 is about 6379.2677479473. The cubic root of 40695057 is about 343.9647098510.

The spelling of 40695057 in words is "forty million, six hundred ninety-five thousand, fifty-seven".