43422471900 has 432 divisors, whose sum is σ = 148320506880. Its totient is φ = 11004595200.

The previous prime is 43422471887. The next prime is 43422471923. The reversal of 43422471900 is 917422434.

43422471900 is a `hidden beast` number, since 4 + 3 + 422 + 47 + 190 + 0 = 666.

43422471900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43422471900² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 44444212 + ... + 44445188.

Almost surely, 2^43422471900 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 43422471900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74160253440).

43422471900 is an abundant number, since it is smaller than the sum of its proper divisors (104898034980).

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

43422471900 is a wasteful number, since it uses less digits than its factorization.

43422471900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 43422471900 in words is "forty-three billion, four hundred twenty-two million, four hundred seventy-one thousand, nine hundred".