40204030310242 has 16 divisors (see below), whose sum is σ = 64485672384312. Its totient is φ = 18732221459200.

The previous prime is 40204030310221. The next prime is 40204030310291. The reversal of 40204030310242 is 24201303040204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40063696908921 + 140333401321 = 6329589^2 + 374611^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5853815773 + ... + 5853822640.

Almost surely, 2^{40204030310242} is an apocalyptic number.

40204030310242 is a deficient number, since it is larger than the sum of its proper divisors (24281642074070).

40204030310242 is a wasteful number, since it uses less digits than its factorization.

40204030310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707638533.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40204030310242 its reverse (24201303040204), we get a palindrome (64405333350446).

The spelling of 40204030310242 in words is "forty trillion, two hundred four billion, thirty million, three hundred ten thousand, two hundred forty-two".