40004002422002 has 4 divisors (see below), whose sum is σ = 60006003633006. Its totient is φ = 20002001211000.

The previous prime is 40004002421953. The next prime is 40004002422031. The reversal of 40004002422002 is 20022420040004.

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., 30500093790721 + 9503908631281 = 5522689^2 + 3082841^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001000605499 + ... + 10001000605502.

Almost surely, 2^{40004002422002} is an apocalyptic number.

40004002422002 is a deficient number, since it is larger than the sum of its proper divisors (20002001211004).

40004002422002 is a wasteful number, since it uses less digits than its factorization.

40004002422002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002001211003.

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

Adding to 40004002422002 its reverse (20022420040004), we get a palindrome (60026422462006).

The spelling of 40004002422002 in words is "forty trillion, four billion, two million, four hundred twenty-two thousand, two".