43081064 has 16 divisors (see below), whose sum is σ = 86990820. Its totient is φ = 19883520.

The previous prime is 43081057. The next prime is 43081081. The reversal of 43081064 is 46018034.

It can be written as a sum of positive squares in 2 ways, for example, as 40424164 + 2656900 = 6358^2 + 1630^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207017 + ... + 207224.

Almost surely, 2^43081064 is an apocalyptic number.

It is an amenable number.

43081064 is an abundant number, since it is smaller than the sum of its proper divisors (43909756).

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

43081064 is a wasteful number, since it uses less digits than its factorization.

43081064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414260 (or 414256 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 43081064 is about 6563.6166859438. The cubic root of 43081064 is about 350.5598224580.

Adding to 43081064 its reverse (46018034), we get a palindrome (89099098).

The spelling of 43081064 in words is "forty-three million, eighty-one thousand, sixty-four".