40020442004402 has 8 divisors (see below), whose sum is σ = 61967136006912. Its totient is φ = 19364730002100.

The previous prime is 40020442004357. The next prime is 40020442004429. The reversal of 40020442004402 is 20440024402004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322745499974 + ... + 322745500097.

It is an arithmetic number, because the mean of its divisors is an integer number (7745892000864).

Almost surely, 2^{40020442004402} is an apocalyptic number.

40020442004402 is a deficient number, since it is larger than the sum of its proper divisors (21946694002510).

40020442004402 is a wasteful number, since it uses less digits than its factorization.

40020442004402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645491000104.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40020442004402 its reverse (20440024402004), we get a palindrome (60460466406406).

The spelling of 40020442004402 in words is "forty trillion, twenty billion, four hundred forty-two million, four thousand, four hundred two".