40021304133 has 16 divisors (see below), whose sum is σ = 54663612416. Its totient is φ = 26036821440.

The previous prime is 40021304111. The next prime is 40021304149. The reversal of 40021304133 is 33140312004.

It is not a de Polignac number, because 40021304133 - 2¹⁰ = 40021303109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021354133) 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, 837766 + ... + 884247.

It is an arithmetic number, because the mean of its divisors is an integer number (3416475776).

Almost surely, 2^40021304133 is an apocalyptic number.

It is an amenable number.

40021304133 is a deficient number, since it is larger than the sum of its proper divisors (14642308283).

40021304133 is a wasteful number, since it uses less digits than its factorization.

40021304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722204.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40021304133 its reverse (33140312004), we get a palindrome (73161616137).

The spelling of 40021304133 in words is "forty billion, twenty-one million, three hundred four thousand, one hundred thirty-three".