40454168 has 8 divisors (see below), whose sum is σ = 75851580. Its totient is φ = 20227080.

The previous prime is 40454137. The next prime is 40454189. The reversal of 40454168 is 86145404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528378 + ... + 2528393.

Almost surely, 2^40454168 is an apocalyptic number.

It is an amenable number.

40454168 is a deficient number, since it is larger than the sum of its proper divisors (35397412).

40454168 is a wasteful number, since it uses less digits than its factorization.

40454168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056777 (or 5056773 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40454168 is about 6360.3591093585. The cubic root of 40454168 is about 343.2846817877.

The spelling of 40454168 in words is "forty million, four hundred fifty-four thousand, one hundred sixty-eight".