400040224411321 has 8 divisors (see below), whose sum is σ = 430833952228680. Its totient is φ = 369249554145792.

The previous prime is 400040224411301. The next prime is 400040224411357. The reversal of 400040224411321 is 123114422040004.

It can be written as a sum of positive squares in 4 ways, for example, as 119281346560000 + 280758877851321 = 10921600^2 + 16755861^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 400040224411321 - 2¹⁹ = 400040223887033 is a prime.

It is a super-2 number, since 2×400040224411321² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400040224411321.

It is not an unprimeable number, because it can be changed into a prime (400040224411301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764116210 + ... + 764639563.

It is an arithmetic number, because the mean of its divisors is an integer number (53854244028585).

Almost surely, 2^{400040224411321} is an apocalyptic number.

It is an amenable number.

400040224411321 is a deficient number, since it is larger than the sum of its proper divisors (30793727817359).

400040224411321 is a wasteful number, since it uses less digits than its factorization.

400040224411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528775915.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 400040224411321 its reverse (123114422040004), we get a palindrome (523154646451325).

The spelling of 400040224411321 in words is "four hundred trillion, forty billion, two hundred twenty-four million, four hundred eleven thousand, three hundred twenty-one".