402450221044352 has 64 divisors (see below), whose sum is σ = 864579570812160. Its totient is φ = 185498923392000.

The previous prime is 402450221044331. The next prime is 402450221044373. The reversal of 402450221044352 is 253440122054204.

It is an interprime number because it is at equal distance from previous prime (402450221044331) and next prime (402450221044373).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×402450221044352³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159773708 + ... + 162273035.

It is an arithmetic number, because the mean of its divisors is an integer number (13509055793940).

Almost surely, 2^{402450221044352} is an apocalyptic number.

It is an amenable number.

402450221044352 is an abundant number, since it is smaller than the sum of its proper divisors (462129349767808).

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

402450221044352 is a wasteful number, since it uses less digits than its factorization.

402450221044352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322047521 (or 322047509 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 402450221044352 its reverse (253440122054204), we get a palindrome (655890343098556).

The spelling of 402450221044352 in words is "four hundred two trillion, four hundred fifty billion, two hundred twenty-one million, forty-four thousand, three hundred fifty-two".