43525012040 has 64 divisors (see below), whose sum is σ = 98282324160. Its totient is φ = 17347726080.

The previous prime is 43525011941. The next prime is 43525012061. The reversal of 43525012040 is 4021052534.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15559922 + ... + 15562718.

It is an arithmetic number, because the mean of its divisors is an integer number (1535661315).

Almost surely, 2^43525012040 is an apocalyptic number.

43525012040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43525012040 is an abundant number, since it is smaller than the sum of its proper divisors (54757312120).

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

43525012040 is a wasteful number, since it uses less digits than its factorization.

43525012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 43525012040 its reverse (4021052534), we get a palindrome (47546064574).

The spelling of 43525012040 in words is "forty-three billion, five hundred twenty-five million, twelve thousand, forty".