40042200200240 has 40 divisors (see below), whose sum is σ = 106397846247840. Its totient is φ = 13728754354176.

The previous prime is 40042200200201. The next prime is 40042200200243. The reversal of 40042200200240 is 4200200224004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×40042200200240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (40042200200243) 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, 35751963905 + ... + 35751965024.

It is an arithmetic number, because the mean of its divisors is an integer number (2659946156196).

Almost surely, 2^{40042200200240} is an apocalyptic number.

40042200200240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40042200200240 is an abundant number, since it is smaller than the sum of its proper divisors (66355646047600).

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

40042200200240 is a wasteful number, since it uses less digits than its factorization.

40042200200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71503928949 (or 71503928943 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40042200200240 its reverse (4200200224004), we get a palindrome (44242400424244).

The spelling of 40042200200240 in words is "forty trillion, forty-two billion, two hundred million, two hundred thousand, two hundred forty".