40671603 has 12 divisors (see below), whose sum is σ = 67140528. Its totient is φ = 23240880.

The previous prime is 40671581. The next prime is 40671607. The reversal of 40671603 is 30617604.

It is not a de Polignac number, because 40671603 - 2¹³ = 40663411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40671607) 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, 322728 + ... + 322853.

It is an arithmetic number, because the mean of its divisors is an integer number (5595044).

Almost surely, 2^40671603 is an apocalyptic number.

40671603 is a deficient number, since it is larger than the sum of its proper divisors (26468925).

40671603 is a wasteful number, since it uses less digits than its factorization.

40671603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645594 (or 645591 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40671603 is about 6377.4291842403. The cubic root of 40671603 is about 343.8986174782.

The spelling of 40671603 in words is "forty million, six hundred seventy-one thousand, six hundred three".