40123221023044 has 24 divisors (see below), whose sum is σ = 70489060450200. Its totient is φ = 19983515708160.

The previous prime is 40123221022999. The next prime is 40123221023113. The reversal of 40123221023044 is 44032012232104.

It can be written as a sum of positive squares in 4 ways, for example, as 5562578854144 + 34560642168900 = 2358512^2 + 5878830^2 .

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, 2844054 + ... + 9398674.

It is an arithmetic number, because the mean of its divisors is an integer number (2937044185425).

Almost surely, 2^{40123221023044} is an apocalyptic number.

It is an amenable number.

40123221023044 is a deficient number, since it is larger than the sum of its proper divisors (30365839427156).

40123221023044 is a wasteful number, since it uses less digits than its factorization.

40123221023044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560583 (or 6560581 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40123221023044 its reverse (44032012232104), we get a palindrome (84155233255148).

The spelling of 40123221023044 in words is "forty trillion, one hundred twenty-three billion, two hundred twenty-one million, twenty-three thousand, forty-four".