4031012240 has 40 divisors (see below), whose sum is σ = 9411361920. Its totient is φ = 1605650816.

The previous prime is 4031012233. The next prime is 4031012261. The reversal of 4031012240 is 422101304.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86294 + ... + 124533.

It is an arithmetic number, because the mean of its divisors is an integer number (235284048).

Almost surely, 2^4031012240 is an apocalyptic number.

4031012240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4031012240 is an abundant number, since it is smaller than the sum of its proper divisors (5380349680).

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

4031012240 is a wasteful number, since it uses less digits than its factorization.

4031012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211079 (or 211073 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4031012240 is about 63490.2531102216. The cubic root of 4031012240 is about 1591.4929005347.

Adding to 4031012240 its reverse (422101304), we get a palindrome (4453113544).

The spelling of 4031012240 in words is "four billion, thirty-one million, twelve thousand, two hundred forty".