40226225091 has 32 divisors (see below), whose sum is σ = 58268071680. Its totient is φ = 24537976704.

The previous prime is 40226225089. The next prime is 40226225113. The reversal of 40226225091 is 19052262204.

It is not a de Polignac number, because 40226225091 - 2¹ = 40226225089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40226225021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2464740 + ... + 2481006.

It is an arithmetic number, because the mean of its divisors is an integer number (1820877240).

Almost surely, 2^40226225091 is an apocalyptic number.

40226225091 is a deficient number, since it is larger than the sum of its proper divisors (18041846589).

40226225091 is a wasteful number, since it uses less digits than its factorization.

40226225091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 40226225091 its reverse (19052262204), we get a palindrome (59278487295).

The spelling of 40226225091 in words is "forty billion, two hundred twenty-six million, two hundred twenty-five thousand, ninety-one".