40242042002 has 4 divisors (see below), whose sum is σ = 60363063006. Its totient is φ = 20121021000.

The previous prime is 40242041993. The next prime is 40242042019. The reversal of 40242042002 is 20024024204.

40242042002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 39584683681 + 657358321 = 198959^2 + 25639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060510499 + ... + 10060510502.

Almost surely, 2^40242042002 is an apocalyptic number.

40242042002 is a deficient number, since it is larger than the sum of its proper divisors (20121021004).

40242042002 is a wasteful number, since it uses less digits than its factorization.

40242042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121021003.

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

Adding to 40242042002 its reverse (20024024204), we get a palindrome (60266066206).

The spelling of 40242042002 in words is "forty billion, two hundred forty-two million, forty-two thousand, two".