402230320401 has 48 divisors (see below), whose sum is σ = 671976648000. Its totient is φ = 212127737472.

The previous prime is 402230320399. The next prime is 402230320403. The reversal of 402230320401 is 104023032204.

It is an interprime number because it is at equal distance from previous prime (402230320399) and next prime (402230320403).

It is not a de Polignac number, because 402230320401 - 2¹ = 402230320399 is a prime.

It is a super-2 number, since 2×402230320401² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (402230320403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13168735 + ... + 13199243.

It is an arithmetic number, because the mean of its divisors is an integer number (13999513500).

Almost surely, 2^402230320401 is an apocalyptic number.

It is an amenable number.

402230320401 is a deficient number, since it is larger than the sum of its proper divisors (269746327599).

402230320401 is a wasteful number, since it uses less digits than its factorization.

402230320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37438 (or 37431 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 402230320401 its reverse (104023032204), we get a palindrome (506253352605).

The spelling of 402230320401 in words is "four hundred two billion, two hundred thirty million, three hundred twenty thousand, four hundred one".