40222520090 has 8 divisors (see below), whose sum is σ = 72400536180. Its totient is φ = 16089008032.

The previous prime is 40222520077. The next prime is 40222520099. The reversal of 40222520090 is 9002522204.

It can be written as a sum of positive squares in 2 ways, for example, as 39974803969 + 247716121 = 199937^2 + 15739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40222520090² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40222520099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011125995 + ... + 2011126014.

Almost surely, 2^40222520090 is an apocalyptic number.

40222520090 is a deficient number, since it is larger than the sum of its proper divisors (32178016090).

40222520090 is a wasteful number, since it uses less digits than its factorization.

40222520090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022252016.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 40222520090 in words is "forty billion, two hundred twenty-two million, five hundred twenty thousand, ninety".