43102421000 has 64 divisors (see below), whose sum is σ = 100913904000. Its totient is φ = 17231697600.

The previous prime is 43102420997. The next prime is 43102421017. The reversal of 43102421000 is 12420134.

It is a super-2 number, since 2×43102421000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43102421000.

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, 2028431 + ... + 2049569.

It is an arithmetic number, because the mean of its divisors is an integer number (1576779750).

Almost surely, 2^43102421000 is an apocalyptic number.

43102421000 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 43102421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50456952000).

43102421000 is an abundant number, since it is smaller than the sum of its proper divisors (57811483000).

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

43102421000 is a wasteful number, since it uses less digits than its factorization.

43102421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23199 (or 23185 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 43102421000 its reverse (12420134), we get a palindrome (43114841134).

The spelling of 43102421000 in words is "forty-three billion, one hundred two million, four hundred twenty-one thousand".