40026741220672 has 28 divisors (see below), whose sum is σ = 81365334483636. Its totient is φ = 19525239618560.

The previous prime is 40026741220643. The next prime is 40026741220691. The reversal of 40026741220672 is 27602214762004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18047747013696 + 21978994206976 = 4248264^2 + 4688176^2 .

It is a congruent number.

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, 7627044103 + ... + 7627049350.

It is an arithmetic number, because the mean of its divisors is an integer number (2905904802987).

Almost surely, 2^{40026741220672} is an apocalyptic number.

It is an amenable number.

40026741220672 is an abundant number, since it is smaller than the sum of its proper divisors (41338593262964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40026741220672 is a wasteful number, since it uses less digits than its factorization.

40026741220672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15254093506 (or 15254093496 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

Adding to 40026741220672 its reverse (27602214762004), we get a palindrome (67628955982676).

The spelling of 40026741220672 in words is "forty trillion, twenty-six billion, seven hundred forty-one million, two hundred twenty thousand, six hundred seventy-two".