402644063126 has 8 divisors (see below), whose sum is σ = 603969460344. Its totient is φ = 201320909680.

The previous prime is 402644063093. The next prime is 402644063137. The reversal of 402644063126 is 621360446204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×402644063126² (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 402644063126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 897378.

It is an arithmetic number, because the mean of its divisors is an integer number (75496182543).

Almost surely, 2^402644063126 is an apocalyptic number.

402644063126 is a deficient number, since it is larger than the sum of its proper divisors (201325397218).

402644063126 is a wasteful number, since it uses less digits than its factorization.

402644063126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121886.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 402644063126 in words is "four hundred two billion, six hundred forty-four million, sixty-three thousand, one hundred twenty-six".