4320940040 has 16 divisors (see below), whose sum is σ = 9722115180. Its totient is φ = 1728376000.

The previous prime is 4320939983. The next prime is 4320940049. The reversal of 4320940040 is 400490234.

It can be written as a sum of positive squares in 2 ways, for example, as 4294705156 + 26234884 = 65534^2 + 5122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4320939991 and 4320940009.

It is not an unprimeable number, because it can be changed into a prime (4320940049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54011711 + ... + 54011790.

Almost surely, 2^4320940040 is an apocalyptic number.

4320940040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4320940040 is an abundant number, since it is smaller than the sum of its proper divisors (5401175140).

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

4320940040 is a wasteful number, since it uses less digits than its factorization.

4320940040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108023512 (or 108023508 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4320940040 is about 65733.8576382065. The cubic root of 4320940040 is about 1628.7686938494.

The spelling of 4320940040 in words is "four billion, three hundred twenty million, nine hundred forty thousand, forty".