40493454 has 32 divisors (see below), whose sum is σ = 84132000. Its totient is φ = 12977664.

The previous prime is 40493449. The next prime is 40493477. The reversal of 40493454 is 45439404.

40493454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70882 + ... + 71450.

It is an arithmetic number, because the mean of its divisors is an integer number (2629125).

Almost surely, 2^40493454 is an apocalyptic number.

40493454 is an abundant number, since it is smaller than the sum of its proper divisors (43638546).

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

40493454 is a wasteful number, since it uses less digits than its factorization.

40493454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 40493454 is about 6363.4467075634. The cubic root of 40493454 is about 343.3957697952.

It can be divided in two parts, 4049 and 3454, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 40493454 in words is "forty million, four hundred ninety-three thousand, four hundred fifty-four".