402441421310 has 16 divisors (see below), whose sum is σ = 749373681600. Its totient is φ = 155425652256.

The previous prime is 402441421297. The next prime is 402441421331. The reversal of 402441421310 is 13124144204.

It is a super-2 number, since 2×402441421310² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402441421310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693864230 + ... + 693864809.

It is an arithmetic number, because the mean of its divisors is an integer number (46835855100).

Almost surely, 2^402441421310 is an apocalyptic number.

402441421310 is a deficient number, since it is larger than the sum of its proper divisors (346932260290).

402441421310 is a wasteful number, since it uses less digits than its factorization.

402441421310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387729075.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 402441421310 its reverse (13124144204), we get a palindrome (415565565514).

The spelling of 402441421310 in words is "four hundred two billion, four hundred forty-one million, four hundred twenty-one thousand, three hundred ten".