40220000000000 has 264 divisors, whose sum is σ = 100575437393340. Its totient is φ = 16080000000000.

The previous prime is 40219999999939. The next prime is 40220000000003. The reversal of 40220000000000 is 2204.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220000000003) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 19999998995 + ... + 20000001005.

Almost surely, 2^{40220000000000} is an apocalyptic number.

40220000000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40220000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50287718696670).

40220000000000 is an abundant number, since it is smaller than the sum of its proper divisors (60355437393340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40220000000000 is an frugal number, since it uses more digits than its factorization.

40220000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 40220000000000 its reverse (2204), we get a palindrome (40220000002204).

The spelling of 40220000000000 in words is "forty trillion, two hundred twenty billion", and thus it is an aban number.