755197440 has 160 divisors (see below), whose sum is σ = 2439486720. Its totient is φ = 199286784.

The previous prime is 755197403. The next prime is 755197451. The reversal of 755197440 is 44791557.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 755197392 and 755197401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821301 + ... + 822219.

It is an arithmetic number, because the mean of its divisors is an integer number (15246792).

Almost surely, 2^755197440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755197440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219743360).

755197440 is an abundant number, since it is smaller than the sum of its proper divisors (1684289280).

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

755197440 is a wasteful number, since it uses less digits than its factorization.

755197440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 755197440 is about 27480.8558818680. The cubic root of 755197440 is about 910.6542169949.

The spelling of 755197440 in words is "seven hundred fifty-five million, one hundred ninety-seven thousand, four hundred forty".