711206440 has 64 divisors (see below), whose sum is σ = 1891900800. Its totient is φ = 235431168.

The previous prime is 711206393. The next prime is 711206443. The reversal of 711206440 is 44602117.

It is not an unprimeable number, because it can be changed into a prime (711206443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35674 + ... + 51913.

It is an arithmetic number, because the mean of its divisors is an integer number (29560950).

Almost surely, 2^711206440 is an apocalyptic number.

711206440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

711206440 is an abundant number, since it is smaller than the sum of its proper divisors (1180694360).

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

711206440 is a wasteful number, since it uses less digits than its factorization.

711206440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87634 (or 87630 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 711206440 is about 26668.4540234338. The cubic root of 711206440 is about 892.6171501811.

Adding to 711206440 its reverse (44602117), we get a palindrome (755808557).

The spelling of 711206440 in words is "seven hundred eleven million, two hundred six thousand, four hundred forty".