40756923 has 6 divisors (see below), whose sum is σ = 58871124. Its totient is φ = 27171276.

The previous prime is 40756913. The next prime is 40756931. The reversal of 40756923 is 32965704.

It is not a de Polignac number, because 40756923 - 2⁴ = 40756907 is a prime.

It is a super-2 number, since 2×40756923² = 3322253544855858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40756913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2264265 + ... + 2264282.

It is an arithmetic number, because the mean of its divisors is an integer number (9811854).

Almost surely, 2^40756923 is an apocalyptic number.

40756923 is a deficient number, since it is larger than the sum of its proper divisors (18114201).

40756923 is a wasteful number, since it uses less digits than its factorization.

40756923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528553 (or 4528550 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 40756923 is about 6384.1148955826. The cubic root of 40756923 is about 344.1389238549.

The spelling of 40756923 in words is "forty million, seven hundred fifty-six thousand, nine hundred twenty-three".