40024440042002 has 32 divisors (see below), whose sum is σ = 64971552591792. Its totient is φ = 18382480441344.

The previous prime is 40024440042001. The next prime is 40024440042079. The reversal of 40024440042002 is 20024004442004.

It can be written as a sum of positive squares in 8 ways, for example, as 32568924472561 + 7455515569441 = 5706919^2 + 2730479^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (40024440042001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3657998 + ... + 9665910.

Almost surely, 2^{40024440042002} is an apocalyptic number.

40024440042002 is a deficient number, since it is larger than the sum of its proper divisors (24947112549790).

40024440042002 is a wasteful number, since it uses less digits than its factorization.

40024440042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009182.

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

Adding to 40024440042002 its reverse (20024004442004), we get a palindrome (60048444484006).

The spelling of 40024440042002 in words is "forty trillion, twenty-four billion, four hundred forty million, forty-two thousand, two".