40226506136121 has 16 divisors (see below), whose sum is σ = 53686204992000. Its totient is φ = 26792244599808.

The previous prime is 40226506136027. The next prime is 40226506136153. The reversal of 40226506136121 is 12163160562204.

It is not a de Polignac number, because 40226506136121 - 2⁷ = 40226506135993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40226506136121.

It is not an unprimeable number, because it can be changed into a prime (40226506136021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28328760 + ... + 29714838.

It is an arithmetic number, because the mean of its divisors is an integer number (3355387812000).

Almost surely, 2^{40226506136121} is an apocalyptic number.

It is an amenable number.

40226506136121 is a deficient number, since it is larger than the sum of its proper divisors (13459698855879).

40226506136121 is a wasteful number, since it uses less digits than its factorization.

40226506136121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395248.

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 40226506136121 its reverse (12163160562204), we get a palindrome (52389666698325).

The spelling of 40226506136121 in words is "forty trillion, two hundred twenty-six billion, five hundred six million, one hundred thirty-six thousand, one hundred twenty-one".