40768396 has 6 divisors (see below), whose sum is σ = 71344700. Its totient is φ = 20384196.

The previous prime is 40768393. The next prime is 40768417. The reversal of 40768396 is 69386704.

It is a happy number.

It is a super-2 number, since 2×40768396² = 3324124224825632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40768393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5096046 + ... + 5096053.

Almost surely, 2^40768396 is an apocalyptic number.

It is an amenable number.

40768396 is a deficient number, since it is larger than the sum of its proper divisors (30576304).

40768396 is a wasteful number, since it uses less digits than its factorization.

40768396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192103 (or 10192101 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 40768396 is about 6385.0133907456. The cubic root of 40768396 is about 344.1712123200.

The spelling of 40768396 in words is "forty million, seven hundred sixty-eight thousand, three hundred ninety-six".