40071003 has 16 divisors (see below), whose sum is σ = 63031296. Its totient is φ = 22158720.

The previous prime is 40070999. The next prime is 40071013. The reversal of 40071003 is 30017004.

It is not a de Polignac number, because 40071003 - 2² = 40070999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40071013) 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, 30126 + ... + 31427.

It is an arithmetic number, because the mean of its divisors is an integer number (3939456).

Almost surely, 2^40071003 is an apocalyptic number.

40071003 is a deficient number, since it is larger than the sum of its proper divisors (22960293).

40071003 is a wasteful number, since it uses less digits than its factorization.

40071003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61594.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 40071003 is about 6330.1661115645. The cubic root of 40071003 is about 342.1974254247.

Adding to 40071003 its reverse (30017004), we get a palindrome (70088007).

The spelling of 40071003 in words is "forty million, seventy-one thousand, three".