40488668 has 12 divisors (see below), whose sum is σ = 77296632. Its totient is φ = 18403920.

The previous prime is 40488653. The next prime is 40488683. The reversal of 40488668 is 86688404.

It is an interprime number because it is at equal distance from previous prime (40488653) and next prime (40488683).

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 920197 = 40488668 / (4 + 0 + 4 + 8 + 8 + 6 + 6 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460055 + ... + 460142.

It is an arithmetic number, because the mean of its divisors is an integer number (6441386).

Almost surely, 2^40488668 is an apocalyptic number.

It is an amenable number.

40488668 is a deficient number, since it is larger than the sum of its proper divisors (36807964).

40488668 is a wasteful number, since it uses less digits than its factorization.

40488668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920212 (or 920210 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 40488668 is about 6363.0706423864. The cubic root of 40488668 is about 343.3822403911.

The spelling of 40488668 in words is "forty million, four hundred eighty-eight thousand, six hundred sixty-eight".