442424240402 has 16 divisors (see below), whose sum is σ = 665930476224. Its totient is φ = 220447758000.

The previous prime is 442424240393. The next prime is 442424240429. The reversal of 442424240402 is 204042424244.

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, 2566877 + ... + 2733807.

It is an arithmetic number, because the mean of its divisors is an integer number (41620654764).

Almost surely, 2^442424240402 is an apocalyptic number.

442424240402 is a deficient number, since it is larger than the sum of its proper divisors (223506235822).

442424240402 is a wasteful number, since it uses less digits than its factorization.

442424240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171505.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 442424240402 its reverse (204042424244), we get a palindrome (646466664646).

It can be divided in two parts, 4424242 and 40402, that added together give a palindrome (4464644).

The spelling of 442424240402 in words is "four hundred forty-two billion, four hundred twenty-four million, two hundred forty thousand, four hundred two".