40756756 has 6 divisors (see below), whose sum is σ = 71324330. Its totient is φ = 20378376.

The previous prime is 40756741. The next prime is 40756757. The reversal of 40756756 is 65765704.

It is a happy number.

40756756 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., 39891856 + 864900 = 6316^2 + 930^2 .

It is a super-2 number, since 2×40756756² = 3322226319287072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40756757) 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 as a sum of consecutive naturals, namely, 5094591 + ... + 5094598.

Almost surely, 2^40756756 is an apocalyptic number.

It is an amenable number.

40756756 is a deficient number, since it is larger than the sum of its proper divisors (30567574).

40756756 is a wasteful number, since it uses less digits than its factorization.

40756756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189193 (or 10189191 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 40756756 is about 6384.1018162307. The cubic root of 40756756 is about 344.1384538221.

The spelling of 40756756 in words is "forty million, seven hundred fifty-six thousand, seven hundred fifty-six".