43053040 has 20 divisors (see below), whose sum is σ = 100098504. Its totient is φ = 17221184.

The previous prime is 43053037. The next prime is 43053071. The reversal of 43053040 is 4035034.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 43052999 and 43053017.

It is a congruent number.

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, 269002 + ... + 269161.

Almost surely, 2^43053040 is an apocalyptic number.

43053040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43053040 is an abundant number, since it is smaller than the sum of its proper divisors (57045464).

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

43053040 is a wasteful number, since it uses less digits than its factorization.

43053040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538176 (or 538170 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 43053040 is about 6561.4815400182. The cubic root of 43053040 is about 350.4837935449.

Adding to 43053040 its reverse (4035034), we get a palindrome (47088074).

The spelling of 43053040 in words is "forty-three million, fifty-three thousand, forty".