40768446 has 8 divisors (see below), whose sum is σ = 81536904. Its totient is φ = 13589480.

The previous prime is 40768439. The next prime is 40768447. The reversal of 40768446 is 64486704.

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

40768446 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 3397365 + ... + 3397376.

It is an arithmetic number, because the mean of its divisors is an integer number (10192113).

Almost surely, 2^40768446 is an apocalyptic number.

40768446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40768446 is a wasteful number, since it uses less digits than its factorization.

40768446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794746.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 40768446 is about 6385.0173061629. The cubic root of 40768446 is about 344.1713530217.

It can be divided in two parts, 40768 and 446, that added together give a palindrome (41214).

The spelling of 40768446 in words is "forty million, seven hundred sixty-eight thousand, four hundred forty-six".