755750440 has 32 divisors (see below), whose sum is σ = 1759077000. Its totient is φ = 291875584.

The previous prime is 755750407. The next prime is 755750447. The reversal of 755750440 is 44057557.

It can be written as a sum of positive squares in 4 ways, for example, as 677144484 + 78605956 = 26022^2 + 8866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 755750440.

It is not an unprimeable number, because it can be changed into a prime (755750447) 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, 324595 + ... + 326914.

Almost surely, 2^755750440 is an apocalyptic number.

It is an amenable number.

755750440 is an abundant number, since it is smaller than the sum of its proper divisors (1003326560).

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

755750440 is a wasteful number, since it uses less digits than its factorization.

755750440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651549 (or 651545 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 755750440 is about 27490.9155904273. The cubic root of 755750440 is about 910.8764409615.

The spelling of 755750440 in words is "seven hundred fifty-five million, seven hundred fifty thousand, four hundred forty".