40000001340220 has 24 divisors (see below), whose sum is σ = 84005048862000. Its totient is φ = 15999039384192.

The previous prime is 40000001340197. The next prime is 40000001340223. The reversal of 40000001340220 is 2204310000004.

It is a junction number, because it is equal to n+sod(n) for n = 40000001340194 and 40000001340203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000001340223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59730690 + ... + 60396649.

It is an arithmetic number, because the mean of its divisors is an integer number (3500210369250).

Almost surely, 2^{40000001340220} is an apocalyptic number.

It is an amenable number.

40000001340220 is an abundant number, since it is smaller than the sum of its proper divisors (44005047521780).

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

40000001340220 is a wasteful number, since it uses less digits than its factorization.

40000001340220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120143997 (or 120143995 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 40000001340220 its reverse (2204310000004), we get a palindrome (42204311340224).

The spelling of 40000001340220 in words is "forty trillion, one million, three hundred forty thousand, two hundred twenty".