4024440240402 has 16 divisors (see below), whose sum is σ = 8266417791552. Its totient is φ = 1305223861680.

The previous prime is 4024440240383. The next prime is 4024440240451. The reversal of 4024440240402 is 2040420444204.

It is a super-2 number, since 2×4024440240402² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4024440240402.

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, 9064054374 + ... + 9064054817.

It is an arithmetic number, because the mean of its divisors is an integer number (516651111972).

Almost surely, 2^{4024440240402} is an apocalyptic number.

4024440240402 is an abundant number, since it is smaller than the sum of its proper divisors (4241977551150).

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

4024440240402 is a wasteful number, since it uses less digits than its factorization.

4024440240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128109233.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 4024440240402 its reverse (2040420444204), we get a palindrome (6064860684606).

The spelling of 4024440240402 in words is "four trillion, twenty-four billion, four hundred forty million, two hundred forty thousand, four hundred two".