40420334333201 has 4 divisors (see below), whose sum is σ = 40420367918052. Its totient is φ = 40420300748352.

The previous prime is 40420334333081. The next prime is 40420334333209. The reversal of 40420334333201 is 10233343302404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23711533563601 + 16708800769600 = 4869449^2 + 4087640^2 .

It is a cyclic number.

It is not a de Polignac number, because 40420334333201 - 2²² = 40420330138897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40420334333209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14917340 + ... + 17417453.

It is an arithmetic number, because the mean of its divisors is an integer number (10105091979513).

Almost surely, 2^{40420334333201} is an apocalyptic number.

It is an amenable number.

40420334333201 is a deficient number, since it is larger than the sum of its proper divisors (33584851).

40420334333201 is a wasteful number, since it uses less digits than its factorization.

40420334333201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33584850.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 40420334333201 its reverse (10233343302404), we get a palindrome (50653677635605).

The spelling of 40420334333201 in words is "forty trillion, four hundred twenty billion, three hundred thirty-four million, three hundred thirty-three thousand, two hundred one".