40213021003 has 8 divisors (see below), whose sum is σ = 40499208000. Its totient is φ = 39927051648.

The previous prime is 40213021001. The next prime is 40213021021. The reversal of 40213021003 is 30012031204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40213021003 - 2¹ = 40213021001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40213021001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325843 + ... + 431971.

It is an arithmetic number, because the mean of its divisors is an integer number (5062401000).

Almost surely, 2^40213021003 is an apocalyptic number.

40213021003 is a deficient number, since it is larger than the sum of its proper divisors (286186997).

40213021003 is a wasteful number, since it uses less digits than its factorization.

40213021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108821.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40213021003 its reverse (30012031204), we get a palindrome (70225052207).

The spelling of 40213021003 in words is "forty billion, two hundred thirteen million, twenty-one thousand, three".