402144401013 has 16 divisors (see below), whose sum is σ = 544281547200. Its totient is φ = 264053028096.

The previous prime is 402144401011. The next prime is 402144401041. The reversal of 402144401013 is 310104441204.

It is not a de Polignac number, because 402144401013 - 2¹ = 402144401011 is a prime.

It is a super-2 number, since 2×402144401013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144401011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141131 + ... + 1451367.

It is an arithmetic number, because the mean of its divisors is an integer number (34017596700).

Almost surely, 2^402144401013 is an apocalyptic number.

It is an amenable number.

402144401013 is a deficient number, since it is larger than the sum of its proper divisors (142137146187).

402144401013 is a wasteful number, since it uses less digits than its factorization.

402144401013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316756.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 402144401013 its reverse (310104441204), we get a palindrome (712248842217).

The spelling of 402144401013 in words is "four hundred two billion, one hundred forty-four million, four hundred one thousand, thirteen".