40021226075726 has 16 divisors (see below), whose sum is σ = 69287101440480. Its totient is φ = 16982132704800.

The previous prime is 40021226075629. The next prime is 40021226075729. The reversal of 40021226075726 is 62757062212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021226075729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14151775841 + ... + 14151778668.

It is an arithmetic number, because the mean of its divisors is an integer number (4330443840030).

Almost surely, 2^{40021226075726} is an apocalyptic number.

40021226075726 is a deficient number, since it is larger than the sum of its proper divisors (29265875364754).

40021226075726 is a wasteful number, since it uses less digits than its factorization.

40021226075726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28303554619.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 40021226075726 in words is "forty trillion, twenty-one billion, two hundred twenty-six million, seventy-five thousand, seven hundred twenty-six".