40301332121 has 4 divisors (see below), whose sum is σ = 40534287972. Its totient is φ = 40068376272.

The previous prime is 40301332109. The next prime is 40301332133. The reversal of 40301332121 is 12123310304.

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

It is an interprime number because it is at equal distance from previous prime (40301332109) and next prime (40301332133).

It can be written as a sum of positive squares in 2 ways, for example, as 22596102400 + 17705229721 = 150320^2 + 133061^2 .

It is a cyclic number.

It is not a de Polignac number, because 40301332121 - 2²⁶ = 40234223257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40301332093 and 40301332102.

It is not an unprimeable number, because it can be changed into a prime (40301332151) 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, 116477666 + ... + 116478011.

It is an arithmetic number, because the mean of its divisors is an integer number (10133571993).

Almost surely, 2^40301332121 is an apocalyptic number.

It is an amenable number.

40301332121 is a deficient number, since it is larger than the sum of its proper divisors (232955851).

40301332121 is a wasteful number, since it uses less digits than its factorization.

40301332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232955850.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 40301332121 its reverse (12123310304), we get a palindrome (52424642425).

The spelling of 40301332121 in words is "forty billion, three hundred one million, three hundred thirty-two thousand, one hundred twenty-one".