40701256 has 8 divisors (see below), whose sum is σ = 76314870. Its totient is φ = 20350624.

The previous prime is 40701217. The next prime is 40701259. The reversal of 40701256 is 65210704.

It can be written as a sum of positive squares in only one way, i.e., 29877156 + 10824100 = 5466^2 + 3290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40701256.

It is not an unprimeable number, because it can be changed into a prime (40701259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2543821 + ... + 2543836.

Almost surely, 2^40701256 is an apocalyptic number.

It is an amenable number.

40701256 is a deficient number, since it is larger than the sum of its proper divisors (35613614).

40701256 is a wasteful number, since it uses less digits than its factorization.

40701256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087663 (or 5087659 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40701256 is about 6379.7536002576. The cubic root of 40701256 is about 343.9821741259.

The spelling of 40701256 in words is "forty million, seven hundred one thousand, two hundred fifty-six".