43413121443020 has 384 divisors, whose sum is σ = 119136552192000. Its totient is φ = 12932033937408.

The previous prime is 43413121443007. The next prime is 43413121443193. The reversal of 43413121443020 is 2034412131434.

It is a super-2 number, since 2×43413121443020² (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 127 ways as a sum of consecutive naturals, for example, 273908756 + ... + 274067204.

It is an arithmetic number, because the mean of its divisors is an integer number (310251438000).

Almost surely, 2^{43413121443020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43413121443020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59568276096000).

43413121443020 is an abundant number, since it is smaller than the sum of its proper divisors (75723430748980).

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

43413121443020 is a wasteful number, since it uses less digits than its factorization.

43413121443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158657 (or 158655 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 43413121443020 its reverse (2034412131434), we get a palindrome (45447533574454).

The spelling of 43413121443020 in words is "forty-three trillion, four hundred thirteen billion, one hundred twenty-one million, four hundred forty-three thousand, twenty".