40494003 has 16 divisors (see below), whose sum is σ = 60272256. Its totient is φ = 23970240.

The previous prime is 40493989. The next prime is 40494059. The reversal of 40494003 is 30049404.

It is not a de Polignac number, because 40494003 - 2⁴ = 40493987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40494803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12850 + ... + 15687.

It is an arithmetic number, because the mean of its divisors is an integer number (3767016).

Almost surely, 2^40494003 is an apocalyptic number.

40494003 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40494003 is a deficient number, since it is larger than the sum of its proper divisors (19778253).

40494003 is a wasteful number, since it uses less digits than its factorization.

40494003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28594.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40494003 is about 6363.4898444171. The cubic root of 40494003 is about 343.3973216791.

The spelling of 40494003 in words is "forty million, four hundred ninety-four thousand, three".