402168106148 has 24 divisors (see below), whose sum is σ = 705788871480. Its totient is φ = 200514309120.

The previous prime is 402168106073. The next prime is 402168106163. The reversal of 402168106148 is 841601861204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 425101924 + 401743004224 = 20618^2 + 633832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12159698 + ... + 12192726.

It is an arithmetic number, because the mean of its divisors is an integer number (29407869645).

Almost surely, 2^402168106148 is an apocalyptic number.

It is an amenable number.

402168106148 is a deficient number, since it is larger than the sum of its proper divisors (303620765332).

402168106148 is a wasteful number, since it uses less digits than its factorization.

402168106148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41567 (or 41565 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 402168106148 in words is "four hundred two billion, one hundred sixty-eight million, one hundred six thousand, one hundred forty-eight".