422240040240 has 40 divisors (see below), whose sum is σ = 1308944125488. Its totient is φ = 112597344000.

The previous prime is 422240040239. The next prime is 422240040269. The reversal of 422240040240 is 42040042224.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 422240040240.

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, 879666511 + ... + 879666990.

Almost surely, 2^422240040240 is an apocalyptic number.

422240040240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422240040240 is an abundant number, since it is smaller than the sum of its proper divisors (886704085248).

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

422240040240 is a wasteful number, since it uses less digits than its factorization.

422240040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759333517 (or 1759333511 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 422240040240 its reverse (42040042224), we get a palindrome (464280082464).

The spelling of 422240040240 in words is "four hundred twenty-two billion, two hundred forty million, forty thousand, two hundred forty".