40221120232 has 8 divisors (see below), whose sum is σ = 75414600450. Its totient is φ = 20110560112.

The previous prime is 40221120229. The next prime is 40221120263. The reversal of 40221120232 is 23202112204.

It can be written as a sum of positive squares in only one way, i.e., 25270189156 + 14950931076 = 158966^2 + 122274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513820007 + ... + 2513820022.

Almost surely, 2^40221120232 is an apocalyptic number.

It is an amenable number.

40221120232 is a deficient number, since it is larger than the sum of its proper divisors (35193480218).

40221120232 is a wasteful number, since it uses less digits than its factorization.

40221120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027640035 (or 5027640031 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40221120232 its reverse (23202112204), we get a palindrome (63423232436).

The spelling of 40221120232 in words is "forty billion, two hundred twenty-one million, one hundred twenty thousand, two hundred thirty-two".