1400401322421 has 8 divisors (see below), whose sum is σ = 1965475540320. Its totient is φ = 884463993072.

The previous prime is 1400401322413. The next prime is 1400401322549. The reversal of 1400401322421 is 1242231040041.

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

It is not a de Polignac number, because 1400401322421 - 2³ = 1400401322413 is a prime.

It is a super-2 number, since 2×1400401322421² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400401322391 and 1400401322400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400401322921) 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, 12284222070 + ... + 12284222183.

It is an arithmetic number, because the mean of its divisors is an integer number (245684442540).

Almost surely, 2^{1400401322421} is an apocalyptic number.

It is an amenable number.

1400401322421 is a deficient number, since it is larger than the sum of its proper divisors (565074217899).

1400401322421 is a wasteful number, since it uses less digits than its factorization.

1400401322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24568444275.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1400401322421 its reverse (1242231040041), we get a palindrome (2642632362462).

The spelling of 1400401322421 in words is "one trillion, four hundred billion, four hundred one million, three hundred twenty-two thousand, four hundred twenty-one".