40454608 has 40 divisors (see below), whose sum is σ = 82334016. Its totient is φ = 19219200.

The previous prime is 40454563. The next prime is 40454647. The reversal of 40454608 is 80645404.

It is a self number, because there is not a number n which added to its sum of digits gives 40454608.

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 7 ways as a sum of consecutive naturals, for example, 77388 + ... + 77908.

Almost surely, 2^40454608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40454608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41167008).

40454608 is an abundant number, since it is smaller than the sum of its proper divisors (41879408).

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

40454608 is a wasteful number, since it uses less digits than its factorization.

40454608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 40454608 is about 6360.3936985064. The cubic root of 40454608 is about 343.2859263625.

The spelling of 40454608 in words is "forty million, four hundred fifty-four thousand, six hundred eight".