40220203140 has 72 divisors (see below), whose sum is σ = 131386004568. Its totient is φ = 9900357120.

The previous prime is 40220203087. The next prime is 40220203159. The reversal of 40220203140 is 4130202204.

40220203140 is a `hidden beast` number, since 402 + 20 + 203 + 1 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 213802884 + 40006400256 = 14622^2 + 200016^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8591721 + ... + 8596400.

It is an arithmetic number, because the mean of its divisors is an integer number (1824805619).

Almost surely, 2^40220203140 is an apocalyptic number.

It is an amenable number.

40220203140 is an abundant number, since it is smaller than the sum of its proper divisors (91165801428).

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

40220203140 is a wasteful number, since it uses less digits than its factorization.

40220203140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17188149 (or 17188144 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40220203140 its reverse (4130202204), we get a palindrome (44350405344).

The spelling of 40220203140 in words is "forty billion, two hundred twenty million, two hundred three thousand, one hundred forty".