40134221144421 has 8 divisors (see below), whose sum is σ = 53536388652384. Its totient is φ = 26744100533040.

The previous prime is 40134221144387. The next prime is 40134221144447. The reversal of 40134221144421 is 12444112243104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40134221144421 - 2¹⁵ = 40134221111653 is a prime.

It is a super-2 number, since 2×40134221144421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134221144471) 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, 3011716371 + ... + 3011729696.

It is an arithmetic number, because the mean of its divisors is an integer number (6692048581548).

Almost surely, 2^{40134221144421} is an apocalyptic number.

It is an amenable number.

40134221144421 is a deficient number, since it is larger than the sum of its proper divisors (13402167507963).

40134221144421 is a wasteful number, since it uses less digits than its factorization.

40134221144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023448291.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 40134221144421 its reverse (12444112243104), we get a palindrome (52578333387525).

The spelling of 40134221144421 in words is "forty trillion, one hundred thirty-four billion, two hundred twenty-one million, one hundred forty-four thousand, four hundred twenty-one".