40663496 has 16 divisors (see below), whose sum is σ = 80257200. Its totient is φ = 19261584.

The previous prime is 40663489. The next prime is 40663499. The reversal of 40663496 is 69436604.

It is a happy number.

40663496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (40663499) 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 in 3 ways as a sum of consecutive naturals, for example, 133610 + ... + 133913.

It is an arithmetic number, because the mean of its divisors is an integer number (5016075).

Almost surely, 2^40663496 is an apocalyptic number.

It is an amenable number.

40663496 is a deficient number, since it is larger than the sum of its proper divisors (39593704).

40663496 is a wasteful number, since it uses less digits than its factorization.

40663496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267548 (or 267544 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 40663496 is about 6376.7935516214. The cubic root of 40663496 is about 343.8757663885.

The spelling of 40663496 in words is "forty million, six hundred sixty-three thousand, four hundred ninety-six".