402421124204 has 12 divisors (see below), whose sum is σ = 768258509928. Its totient is φ = 182918692800.

The previous prime is 402421124201. The next prime is 402421124207.

It is a happy number.

402421124204 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (402421124201) and next prime (402421124207).

It is a super-2 number, since 2×402421124204² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402421124201) 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 3 ways as a sum of consecutive naturals, for example, 4572967277 + ... + 4572967364.

It is an arithmetic number, because the mean of its divisors is an integer number (64021542494).

Almost surely, 2^402421124204 is an apocalyptic number.

402421124204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402421124204 is a deficient number, since it is larger than the sum of its proper divisors (365837385724).

402421124204 is a wasteful number, since it uses less digits than its factorization.

402421124204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145934656 (or 9145934654 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

It can be divided in two parts, 402421 and 124204, that added together give a palindrome (526625).

The spelling of 402421124204 in words is "four hundred two billion, four hundred twenty-one million, one hundred twenty-four thousand, two hundred four".