400410324340 has 96 divisors (see below), whose sum is σ = 928093813920. Its totient is φ = 145053462528.

The previous prime is 400410324329. The next prime is 400410324361. The reversal of 400410324340 is 43423014004.

It can be written as a sum of positive squares in 16 ways, for example, as 394549809424 + 5860514916 = 628132^2 + 76554^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2242852 + ... + 2414788.

It is an arithmetic number, because the mean of its divisors is an integer number (9667643895).

Almost surely, 2^400410324340 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 400410324340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464046906960).

400410324340 is an abundant number, since it is smaller than the sum of its proper divisors (527683489580).

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

400410324340 is a wasteful number, since it uses less digits than its factorization.

400410324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172038 (or 172010 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 400410324340 its reverse (43423014004), we get a palindrome (443833338344).

The spelling of 400410324340 in words is "four hundred billion, four hundred ten million, three hundred twenty-four thousand, three hundred forty".