400332311121 has 8 divisors (see below), whose sum is σ = 546189820000. Its totient is φ = 260681504832.

The previous prime is 400332311081. The next prime is 400332311123. The reversal of 400332311121 is 121113233004.

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

It is not a de Polignac number, because 400332311121 - 2¹⁷ = 400332180049 is a prime.

It is a super-2 number, since 2×400332311121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400332311123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551675496 + ... + 1551675753.

It is an arithmetic number, because the mean of its divisors is an integer number (68273727500).

Almost surely, 2^400332311121 is an apocalyptic number.

It is an amenable number.

400332311121 is a deficient number, since it is larger than the sum of its proper divisors (145857508879).

400332311121 is a wasteful number, since it uses less digits than its factorization.

400332311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103351295.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 400332311121 its reverse (121113233004), we get a palindrome (521445544125).

The spelling of 400332311121 in words is "four hundred billion, three hundred thirty-two million, three hundred eleven thousand, one hundred twenty-one".