43057527072 has 192 divisors, whose sum is σ = 130337786880. Its totient is φ = 12191763456.

The previous prime is 43057527061. The next prime is 43057527127. The reversal of 43057527072 is 27072575034.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 42254179 + ... + 42255197.

It is an arithmetic number, because the mean of its divisors is an integer number (678842640).

Almost surely, 2^43057527072 is an apocalyptic number.

43057527072 is a gapful number since it is divisible by the number (42) 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 43057527072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65168893440).

43057527072 is an abundant number, since it is smaller than the sum of its proper divisors (87280259808).

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

43057527072 is a wasteful number, since it uses less digits than its factorization.

43057527072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 42.

The spelling of 43057527072 in words is "forty-three billion, fifty-seven million, five hundred twenty-seven thousand, seventy-two".