402168341554 has 16 divisors (see below), whose sum is σ = 693559778688. Its totient is φ = 171325776672.

The previous prime is 402168341551. The next prime is 402168341609. The reversal of 402168341554 is 455143861204.

It is a self number, because there is not a number n which added to its sum of digits gives 402168341554.

It is not an unprimeable number, because it can be changed into a prime (402168341551) 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 7 ways as a sum of consecutive naturals, for example, 86004579 + ... + 86009254.

It is an arithmetic number, because the mean of its divisors is an integer number (43347486168).

Almost surely, 2^402168341554 is an apocalyptic number.

402168341554 is a deficient number, since it is larger than the sum of its proper divisors (291391437134).

402168341554 is a wasteful number, since it uses less digits than its factorization.

402168341554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172014009.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 402168341554 in words is "four hundred two billion, one hundred sixty-eight million, three hundred forty-one thousand, five hundred fifty-four".