40204244044420 has 24 divisors (see below), whose sum is σ = 84433951022400. Its totient is φ = 16080737897952.

The previous prime is 40204244044411. The next prime is 40204244044427. The reversal of 40204244044420 is 2444044240204.

It is not an unprimeable number, because it can be changed into a prime (40204244044427) 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, 59638930 + ... + 60309289.

It is an arithmetic number, because the mean of its divisors is an integer number (3518081292600).

Almost surely, 2^{40204244044420} is an apocalyptic number.

It is an amenable number.

40204244044420 is an abundant number, since it is smaller than the sum of its proper divisors (44229706977980).

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

40204244044420 is a wasteful number, since it uses less digits than its factorization.

40204244044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119964987 (or 119964985 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 40204244044420 its reverse (2444044240204), we get a palindrome (42648288284624).

The spelling of 40204244044420 in words is "forty trillion, two hundred four billion, two hundred forty-four million, forty-four thousand, four hundred twenty".