43205403040 has 48 divisors (see below), whose sum is σ = 102110417640. Its totient is φ = 17275786240.

The previous prime is 43205403019. The next prime is 43205403071. The reversal of 43205403040 is 4030450234.

It can be written as a sum of positive squares in 4 ways, for example, as 43142613264 + 62789776 = 207708^2 + 7924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43205402996 and 43205403014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397830 + ... + 494650.

Almost surely, 2^43205403040 is an apocalyptic number.

43205403040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43205403040 is an abundant number, since it is smaller than the sum of its proper divisors (58905014600).

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

43205403040 is a wasteful number, since it uses less digits than its factorization.

43205403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99625 (or 99617 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 43205403040 its reverse (4030450234), we get a palindrome (47235853274).

The spelling of 43205403040 in words is "forty-three billion, two hundred five million, four hundred three thousand, forty".