4040500240 has 40 divisors (see below), whose sum is σ = 10736187840. Its totient is φ = 1385314176.

The previous prime is 4040500223. The next prime is 4040500241. The reversal of 4040500240 is 420050404.

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

It is not an unprimeable number, because it can be changed into a prime (4040500241) 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, 3607030 + ... + 3608149.

It is an arithmetic number, because the mean of its divisors is an integer number (268404696).

Almost surely, 2^4040500240 is an apocalyptic number.

4040500240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040500240 is an abundant number, since it is smaller than the sum of its proper divisors (6695687600).

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

4040500240 is a wasteful number, since it uses less digits than its factorization.

4040500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215199 (or 7215193 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4040500240 is about 63564.9293242744. The cubic root of 4040500240 is about 1592.7405815909.

Adding to 4040500240 its reverse (420050404), we get a palindrome (4460550644).

The spelling of 4040500240 in words is "four billion, forty million, five hundred thousand, two hundred forty".