402440411230 has 64 divisors (see below), whose sum is σ = 851150135808. Its totient is φ = 135066591360.

The previous prime is 402440411201. The next prime is 402440411231. The reversal of 402440411230 is 32114044204.

It is a super-2 number, since 2×402440411230² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402440411195 and 402440411204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402440411231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14295949 + ... + 14324071.

It is an arithmetic number, because the mean of its divisors is an integer number (13299220872).

Almost surely, 2^402440411230 is an apocalyptic number.

402440411230 is an abundant number, since it is smaller than the sum of its proper divisors (448709724578).

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

402440411230 is a wasteful number, since it uses less digits than its factorization.

402440411230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38161.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 402440411230 its reverse (32114044204), we get a palindrome (434554455434).

The spelling of 402440411230 in words is "four hundred two billion, four hundred forty million, four hundred eleven thousand, two hundred thirty".