40044202020002 has 4 divisors (see below), whose sum is σ = 60066303030006. Its totient is φ = 20022101010000.

The previous prime is 40044202019993. The next prime is 40044202020047. The reversal of 40044202020002 is 20002020244004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36978694782121 + 3065507237881 = 6081011^2 + 1750859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011050504999 + ... + 10011050505002.

Almost surely, 2^{40044202020002} is an apocalyptic number.

40044202020002 is a deficient number, since it is larger than the sum of its proper divisors (20022101010004).

40044202020002 is a wasteful number, since it uses less digits than its factorization.

40044202020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022101010003.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40044202020002 its reverse (20002020244004), we get a palindrome (60046222264006).

The spelling of 40044202020002 in words is "forty trillion, forty-four billion, two hundred two million, twenty thousand, two".