40040040242002 has 8 divisors (see below), whose sum is σ = 60061796858700. Its totient is φ = 20019441289104.

The previous prime is 40040040241933. The next prime is 40040040242089. The reversal of 40040040242002 is 20024204004004.

It can be written as a sum of positive squares in 2 ways, for example, as 38111744187841 + 1928296054161 = 6173471^2 + 1388631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40040040242002² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289329477 + ... + 289467832.

Almost surely, 2^{40040040242002} is an apocalyptic number.

40040040242002 is a deficient number, since it is larger than the sum of its proper divisors (20021756616698).

40040040242002 is a wasteful number, since it uses less digits than its factorization.

40040040242002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578831900.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40040040242002 its reverse (20024204004004), we get a palindrome (60064244246006).

The spelling of 40040040242002 in words is "forty trillion, forty billion, forty million, two hundred forty-two thousand, two".