43422500000 has 192 divisors, whose sum is σ = 116648138880. Its totient is φ = 15780000000.

The previous prime is 43422499987. The next prime is 43422500039. The reversal of 43422500000 is 522434.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 27499211 + ... + 27500789.

It is an arithmetic number, because the mean of its divisors is an integer number (607542390).

Almost surely, 2^43422500000 is an apocalyptic number.

43422500000 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 43422500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58324069440).

43422500000 is an abundant number, since it is smaller than the sum of its proper divisors (73225638880).

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

43422500000 is an frugal number, since it uses more digits than its factorization.

43422500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The spelling of 43422500000 in words is "forty-three billion, four hundred twenty-two million, five hundred thousand".