40244041042 has 4 divisors (see below), whose sum is σ = 60366061566. Its totient is φ = 20122020520.

The previous prime is 40244041021. The next prime is 40244041067. The reversal of 40244041042 is 24014044204.

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., 35944747281 + 4299293761 = 189591^2 + 65569^2 .

It is a super-3 number, since 3×40244041042³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40244040998 and 40244041016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061010259 + ... + 10061010262.

Almost surely, 2^40244041042 is an apocalyptic number.

40244041042 is a deficient number, since it is larger than the sum of its proper divisors (20122020524).

40244041042 is a wasteful number, since it uses less digits than its factorization.

40244041042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20122020523.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 40244041042 its reverse (24014044204), we get a palindrome (64258085246).

The spelling of 40244041042 in words is "forty billion, two hundred forty-four million, forty-one thousand, forty-two".