40663484 has 6 divisors (see below), whose sum is σ = 71161104. Its totient is φ = 20331740.

The previous prime is 40663459. The next prime is 40663487. The reversal of 40663484 is 48436604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40663487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5082932 + ... + 5082939.

It is an arithmetic number, because the mean of its divisors is an integer number (11860184).

Almost surely, 2^40663484 is an apocalyptic number.

It is an amenable number.

40663484 is a deficient number, since it is larger than the sum of its proper divisors (30497620).

40663484 is a wasteful number, since it uses less digits than its factorization.

40663484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165875 (or 10165873 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 40663484 is about 6376.7926107096. The cubic root of 40663484 is about 343.8757325620.

The spelling of 40663484 in words is "forty million, six hundred sixty-three thousand, four hundred eighty-four".