43042000 has 40 divisors (see below), whose sum is σ = 104080392. Its totient is φ = 17216000.

The previous prime is 43041997. The next prime is 43042001. The reversal of 43042000 is 24034.

It can be written as a sum of positive squares in 4 ways, for example, as 1774224 + 41267776 = 1332^2 + 6424^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×43042000² = 3705227528000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8761 + ... + 12760.

Almost surely, 2^43042000 is an apocalyptic number.

43042000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43042000 is an abundant number, since it is smaller than the sum of its proper divisors (61038392).

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

43042000 is a wasteful number, since it uses less digits than its factorization.

43042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21544 (or 21528 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 43042000 is about 6560.6402126622. The cubic root of 43042000 is about 350.4538330446.

Adding to 43042000 its reverse (24034), we get a palindrome (43066034).

The spelling of 43042000 in words is "forty-three million, forty-two thousand".