4031205040 has 40 divisors (see below), whose sum is σ = 9571976640. Its totient is φ = 1578172416.

The previous prime is 4031205037. The next prime is 4031205041. The reversal of 4031205040 is 405021304.

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

It is a super-2 number, since 2×4031205040² = 32501228149042803200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4031204999 and 4031205017.

It is not an unprimeable number, because it can be changed into a prime (4031205041) 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, 532305 + ... + 539824.

It is an arithmetic number, because the mean of its divisors is an integer number (239299416).

Almost surely, 2^4031205040 is an apocalyptic number.

4031205040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4031205040 is an abundant number, since it is smaller than the sum of its proper divisors (5540771600).

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

4031205040 is a wasteful number, since it uses less digits than its factorization.

4031205040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072189 (or 1072183 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4031205040 is about 63491.7714353600. The cubic root of 4031205040 is about 1591.5182733957.

Adding to 4031205040 its reverse (405021304), we get a palindrome (4436226344).

The spelling of 4031205040 in words is "four billion, thirty-one million, two hundred five thousand, forty".