40454768 has 20 divisors (see below), whose sum is σ = 81084840. Its totient is φ = 19529664.

The previous prime is 40454759. The next prime is 40454789. The reversal of 40454768 is 86745404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43130 + ... + 44057.

It is an arithmetic number, because the mean of its divisors is an integer number (4054242).

Almost surely, 2^40454768 is an apocalyptic number.

It is an amenable number.

40454768 is an abundant number, since it is smaller than the sum of its proper divisors (40630072).

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

40454768 is a wasteful number, since it uses less digits than its factorization.

40454768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87224 (or 87218 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 40454768 is about 6360.4062763317. The cubic root of 40454768 is about 343.2863789329.

The spelling of 40454768 in words is "forty million, four hundred fifty-four thousand, seven hundred sixty-eight".