400402334324 has 12 divisors (see below), whose sum is σ = 703095568644. Its totient is φ = 199517886144.

The previous prime is 400402334309. The next prime is 400402334327. The reversal of 400402334324 is 423433204004.

It can be written as a sum of positive squares in 2 ways, for example, as 212445402724 + 187956931600 = 460918^2 + 433540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400402334327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170818937 + ... + 170821280.

It is an arithmetic number, because the mean of its divisors is an integer number (58591297387).

Almost surely, 2^400402334324 is an apocalyptic number.

It is an amenable number.

400402334324 is a deficient number, since it is larger than the sum of its proper divisors (302693234320).

400402334324 is a wasteful number, since it uses less digits than its factorization.

400402334324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341640514 (or 341640512 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 400402334324 its reverse (423433204004), we get a palindrome (823835538328).

The spelling of 400402334324 in words is "four hundred billion, four hundred two million, three hundred thirty-four thousand, three hundred twenty-four".