40421221041000 has 64 divisors (see below), whose sum is σ = 126114209657280. Its totient is φ = 10778992276800.

The previous prime is 40421221040983. The next prime is 40421221041079. The reversal of 40421221041000 is 14012212404.

It is a super-2 number, since 2×40421221041000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6736867174 + ... + 6736873173.

It is an arithmetic number, because the mean of its divisors is an integer number (1970534525895).

Almost surely, 2^{40421221041000} is an apocalyptic number.

40421221041000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40421221041000 is an abundant number, since it is smaller than the sum of its proper divisors (85692988616280).

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

40421221041000 is a wasteful number, since it uses less digits than its factorization.

40421221041000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13473740371 (or 13473740357 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40421221041000 its reverse (14012212404), we get a palindrome (40435233253404).

The spelling of 40421221041000 in words is "forty trillion, four hundred twenty-one billion, two hundred twenty-one million, forty-one thousand".