42202040402440 has 64 divisors (see below), whose sum is σ = 95362430866560. Its totient is φ = 16808331617280.

The previous prime is 42202040402407. The next prime is 42202040402441. The reversal of 42202040402440 is 4420404020224.

It is a junction number, because it is equal to n+sod(n) for n = 42202040402399 and 42202040402408.

It is not an unprimeable number, because it can be changed into a prime (42202040402441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66847699 + ... + 67476061.

It is an arithmetic number, because the mean of its divisors is an integer number (1490037982290).

Almost surely, 2^{42202040402440} is an apocalyptic number.

42202040402440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42202040402440 is an abundant number, since it is smaller than the sum of its proper divisors (53160390464120).

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

42202040402440 is a wasteful number, since it uses less digits than its factorization.

42202040402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635582 (or 635578 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42202040402440 its reverse (4420404020224), we get a palindrome (46622444422664).

The spelling of 42202040402440 in words is "forty-two trillion, two hundred two billion, forty million, four hundred two thousand, four hundred forty".