402442442080 has 96 divisors (see below), whose sum is σ = 1111864368384. Its totient is φ = 134771406336.

The previous prime is 402442441981. The next prime is 402442442089. The reversal of 402442442080 is 80244244204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402442442089) 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 15 ways as a sum of consecutive naturals, for example, 4130022 + ... + 4226341.

It is an arithmetic number, because the mean of its divisors is an integer number (11581920504).

Almost surely, 2^402442442080 is an apocalyptic number.

402442442080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402442442080 is an abundant number, since it is smaller than the sum of its proper divisors (709421926304).

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

402442442080 is a wasteful number, since it uses less digits than its factorization.

402442442080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356428 (or 8356420 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 402442442080 its reverse (80244244204), we get a palindrome (482686686284).

The spelling of 402442442080 in words is "four hundred two billion, four hundred forty-two million, four hundred forty-two thousand, eighty".