40355003 has 12 divisors (see below), whose sum is σ = 44205480. Its totient is φ = 36818496.

The previous prime is 40354987. The next prime is 40355009. The reversal of 40355003 is 30055304.

It is not a de Polignac number, because 40355003 - 2⁴ = 40354987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40355009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13700 + ... + 16382.

It is an arithmetic number, because the mean of its divisors is an integer number (3683790).

Almost surely, 2^40355003 is an apocalyptic number.

40355003 is a deficient number, since it is larger than the sum of its proper divisors (3850477).

40355003 is a wasteful number, since it uses less digits than its factorization.

40355003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 40355003 is about 6352.5587758005. The cubic root of 40355003 is about 343.0039552225.

The spelling of 40355003 in words is "forty million, three hundred fifty-five thousand, three".