40224400042402 has 4 divisors (see below), whose sum is σ = 60336600063606. Its totient is φ = 20112200021200.

The previous prime is 40224400042381. The next prime is 40224400042447. The reversal of 40224400042402 is 20424000442204.

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., 34930806832441 + 5293593209961 = 5910229^2 + 2300781^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056100010599 + ... + 10056100010602.

Almost surely, 2^{40224400042402} is an apocalyptic number.

40224400042402 is a deficient number, since it is larger than the sum of its proper divisors (20112200021204).

40224400042402 is a wasteful number, since it uses less digits than its factorization.

40224400042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112200021203.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40224400042402 its reverse (20424000442204), we get a palindrome (60648400484606).

The spelling of 40224400042402 in words is "forty trillion, two hundred twenty-four billion, four hundred million, forty-two thousand, four hundred two".