402424342101 has 8 divisors (see below), whose sum is σ = 596184210560. Its totient is φ = 268282894716.

The previous prime is 402424342097. The next prime is 402424342123. The reversal of 402424342101 is 101243424204.

402424342101 is a `hidden beast` number, since 402 + 4 + 2 + 43 + 4 + 210 + 1 = 666.

It is not a de Polignac number, because 402424342101 - 2² = 402424342097 is a prime.

It is a super-2 number, since 2×402424342101² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14904605263 = 402424342101 / (4 + 0 + 2 + 4 + 2 + 4 + 3 + 4 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402424342171) 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, 7452302605 + ... + 7452302658.

It is an arithmetic number, because the mean of its divisors is an integer number (74523026320).

Almost surely, 2^402424342101 is an apocalyptic number.

It is an amenable number.

402424342101 is a deficient number, since it is larger than the sum of its proper divisors (193759868459).

402424342101 is a wasteful number, since it uses less digits than its factorization.

402424342101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904605272 (or 14904605266 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 402424342101 its reverse (101243424204), we get a palindrome (503667766305).

The spelling of 402424342101 in words is "four hundred two billion, four hundred twenty-four million, three hundred forty-two thousand, one hundred one".