40222040440 has 64 divisors (see below), whose sum is σ = 91557734400. Its totient is φ = 15901404288.

The previous prime is 40222040407. The next prime is 40222040449. The reversal of 40222040440 is 4404022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222040449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1868217 + ... + 1889623.

It is an arithmetic number, because the mean of its divisors is an integer number (1430589600).

Almost surely, 2^40222040440 is an apocalyptic number.

40222040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40222040440 is an abundant number, since it is smaller than the sum of its proper divisors (51335693960).

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

40222040440 is a wasteful number, since it uses less digits than its factorization.

40222040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21964 (or 21960 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40222040440 its reverse (4404022204), we get a palindrome (44626062644).

The spelling of 40222040440 in words is "forty billion, two hundred twenty-two million, forty thousand, four hundred forty".