401422031340 has 192 divisors, whose sum is σ = 1239220781568. Its totient is φ = 96282777600.

The previous prime is 401422031303. The next prime is 401422031363. The reversal of 401422031340 is 43130224104.

It is a super-2 number, since 2×401422031340² (a number of 24 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 401422031340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27751710 + ... + 27766170.

It is an arithmetic number, because the mean of its divisors is an integer number (6454274904).

Almost surely, 2^401422031340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401422031340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619610390784).

401422031340 is an abundant number, since it is smaller than the sum of its proper divisors (837798750228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401422031340 is a wasteful number, since it uses less digits than its factorization.

401422031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14928 (or 14926 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 401422031340 its reverse (43130224104), we get a palindrome (444552255444).

The spelling of 401422031340 in words is "four hundred one billion, four hundred twenty-two million, thirty-one thousand, three hundred forty".