710440040 has 32 divisors (see below), whose sum is σ = 1612646280. Its totient is φ = 281659392.

The previous prime is 710440033. The next prime is 710440043. The reversal of 710440040 is 40044017.

It can be written as a sum of positive squares in 4 ways, for example, as 578787364 + 131652676 = 24058^2 + 11474^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 710439994 and 710440021.

It is not an unprimeable number, because it can be changed into a prime (710440043) by changing a digit.

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, 74069 + ... + 83108.

Almost surely, 2^710440040 is an apocalyptic number.

It is an amenable number.

710440040 is an abundant number, since it is smaller than the sum of its proper divisors (902206240).

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

710440040 is a wasteful number, since it uses less digits than its factorization.

710440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157301 (or 157297 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 710440040 is about 26654.0811134055. The cubic root of 710440040 is about 892.2964052126.

Adding to 710440040 its reverse (40044017), we get a palindrome (750484057).

The spelling of 710440040 in words is "seven hundred ten million, four hundred forty thousand, forty".