402253320054 has 16 divisors (see below), whose sum is σ = 804560859648. Its totient is φ = 134075403432.

The previous prime is 402253320043. The next prime is 402253320059. The reversal of 402253320054 is 450023352204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402253320059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162382 + ... + 2341025.

It is an arithmetic number, because the mean of its divisors is an integer number (50285053728).

Almost surely, 2^402253320054 is an apocalyptic number.

402253320054 is an abundant number, since it is smaller than the sum of its proper divisors (402307539594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402253320054 is a wasteful number, since it uses less digits than its factorization.

402253320054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518299.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 402253320054 its reverse (450023352204), we get a palindrome (852276672258).

The spelling of 402253320054 in words is "four hundred two billion, two hundred fifty-three million, three hundred twenty thousand, fifty-four".