402324014421 has 40 divisors (see below), whose sum is σ = 687154973120. Its totient is φ = 229800722112.

The previous prime is 402324014401. The next prime is 402324014429. The reversal of 402324014421 is 124410423204.

402324014421 is a `hidden beast` number, since 4 + 0 + 232 + 4 + 0 + 1 + 4 + 421 = 666.

It is not a de Polignac number, because 402324014421 - 2²² = 402319820117 is a prime.

It is a super-2 number, since 2×402324014421² (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).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402324014429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1179585 + ... + 1481913.

It is an arithmetic number, because the mean of its divisors is an integer number (17178874328).

Almost surely, 2^402324014421 is an apocalyptic number.

It is an amenable number.

402324014421 is a deficient number, since it is larger than the sum of its proper divisors (284830958699).

402324014421 is a wasteful number, since it uses less digits than its factorization.

402324014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304695 (or 304686 counting only the distinct ones).

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

Adding to 402324014421 its reverse (124410423204), we get a palindrome (526734437625).

The spelling of 402324014421 in words is "four hundred two billion, three hundred twenty-four million, fourteen thousand, four hundred twenty-one".