40421041143040 has 72 divisors (see below), whose sum is σ = 96952043653920. Its totient is φ = 16146537302016.

The previous prime is 40421041143019. The next prime is 40421041143137. The reversal of 40421041143040 is 4034114012404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20420074 + ... + 22311913.

It is an arithmetic number, because the mean of its divisors is an integer number (1346556161860).

Almost surely, 2^{40421041143040} is an apocalyptic number.

40421041143040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40421041143040 is an abundant number, since it is smaller than the sum of its proper divisors (56531002510880).

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

40421041143040 is an equidigital number, since it uses as much as digits as its factorization.

40421041143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42732747 (or 42732733 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 40421041143040 its reverse (4034114012404), we get a palindrome (44455155155444).

The spelling of 40421041143040 in words is "forty trillion, four hundred twenty-one billion, forty-one million, one hundred forty-three thousand, forty".