40340221022 has 4 divisors (see below), whose sum is σ = 60510331536. Its totient is φ = 20170110510.

The previous prime is 40340221007. The next prime is 40340221027. The reversal of 40340221022 is 22012204304.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40340220985 and 40340221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340221027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085055254 + ... + 10085055257.

It is an arithmetic number, because the mean of its divisors is an integer number (15127582884).

Almost surely, 2^40340221022 is an apocalyptic number.

40340221022 is a deficient number, since it is larger than the sum of its proper divisors (20170110514).

40340221022 is a wasteful number, since it uses less digits than its factorization.

40340221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20170110513.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40340221022 its reverse (22012204304), we get a palindrome (62352425326).

It can be divided in two parts, 403402 and 21022, that added together give a palindrome (424424).

The spelling of 40340221022 in words is "forty billion, three hundred forty million, two hundred twenty-one thousand, twenty-two".