40333041021 has 16 divisors (see below), whose sum is σ = 66187554944. Its totient is φ = 21274570944.

The previous prime is 40333041019. The next prime is 40333041037. The reversal of 40333041021 is 12014033304.

40333041021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40333041021 - 2¹ = 40333041019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40333041011) 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, 73869766 + ... + 73870311.

It is an arithmetic number, because the mean of its divisors is an integer number (4136722184).

Almost surely, 2^40333041021 is an apocalyptic number.

It is an amenable number.

40333041021 is a deficient number, since it is larger than the sum of its proper divisors (25854513923).

40333041021 is a wasteful number, since it uses less digits than its factorization.

40333041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147740100.

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

Adding to 40333041021 its reverse (12014033304), we get a palindrome (52347074325).

The spelling of 40333041021 in words is "forty billion, three hundred thirty-three million, forty-one thousand, twenty-one".