400332423304 has 96 divisors (see below), whose sum is σ = 833565519360. Its totient is φ = 180099279360.

The previous prime is 400332423269. The next prime is 400332423313. The reversal of 400332423304 is 403324233004.

It is a super-3 number, since 3×400332423304³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90020809 + ... + 90025255.

It is an arithmetic number, because the mean of its divisors is an integer number (8682974160).

Almost surely, 2^400332423304 is an apocalyptic number.

400332423304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400332423304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416782759680).

400332423304 is an abundant number, since it is smaller than the sum of its proper divisors (433233096056).

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

400332423304 is a wasteful number, since it uses less digits than its factorization.

400332423304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411 (or 5396 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 400332423304 its reverse (403324233004), we get a palindrome (803656656308).

The spelling of 400332423304 in words is "four hundred billion, three hundred thirty-two million, four hundred twenty-three thousand, three hundred four".