43421151342160 has 160 divisors (see below), whose sum is σ = 106766880482304. Its totient is φ = 16396021248000.

The previous prime is 43421151342157. The next prime is 43421151342193. The reversal of 43421151342160 is 6124315112434.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 889370550 + ... + 889419370.

Almost surely, 2^{43421151342160} is an apocalyptic number.

43421151342160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43421151342160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53383440241152).

43421151342160 is an abundant number, since it is smaller than the sum of its proper divisors (63345729140144).

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

43421151342160 is a wasteful number, since it uses less digits than its factorization.

43421151342160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57653 (or 57647 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 43421151342160 its reverse (6124315112434), we get a palindrome (49545466454594).

The spelling of 43421151342160 in words is "forty-three trillion, four hundred twenty-one billion, one hundred fifty-one million, three hundred forty-two thousand, one hundred sixty".