40768445 has 8 divisors (see below), whose sum is σ = 48961536. Its totient is φ = 32588496.

The previous prime is 40768439. The next prime is 40768447. The reversal of 40768445 is 54486704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40768445 is a prime.

It is a super-2 number, since 2×40768445² = 3324132215436050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40768399 and 40768408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40768447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5864 + ... + 10766.

It is an arithmetic number, because the mean of its divisors is an integer number (6120192).

Almost surely, 2^40768445 is an apocalyptic number.

It is an amenable number.

40768445 is a deficient number, since it is larger than the sum of its proper divisors (8193091).

40768445 is a wasteful number, since it uses less digits than its factorization.

40768445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 40768445 is about 6385.0172278546. The cubic root of 40768445 is about 344.1713502077.

It can be divided in two parts, 4076 and 8445, that added together give a palindrome (12521).

The spelling of 40768445 in words is "forty million, seven hundred sixty-eight thousand, four hundred forty-five".