400021332314 has 16 divisors (see below), whose sum is σ = 602089410600. Its totient is φ = 199325946624.

The previous prime is 400021332313. The next prime is 400021332331. The reversal of 400021332314 is 413233120004.

It can be written as a sum of positive squares in 4 ways, for example, as 399936084025 + 85248289 = 632405^2 + 9233^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400021332314.

It is not an unprimeable number, because it can be changed into a prime (400021332311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468932 + ... + 1009920.

Almost surely, 2^400021332314 is an apocalyptic number.

400021332314 is a deficient number, since it is larger than the sum of its proper divisors (202068078286).

400021332314 is a wasteful number, since it uses less digits than its factorization.

400021332314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542257.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 400021332314 its reverse (413233120004), we get a palindrome (813254452318).

The spelling of 400021332314 in words is "four hundred billion, twenty-one million, three hundred thirty-two thousand, three hundred fourteen".