755838840 has 32 divisors (see below), whose sum is σ = 2267516880. Its totient is φ = 201556992.

The previous prime is 755838781. The next prime is 755838847. The reversal of 755838840 is 48838557.

It is a self number, because there is not a number n which added to its sum of digits gives 755838840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755838847) 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, 3149209 + ... + 3149448.

Almost surely, 2^755838840 is an apocalyptic number.

It is an amenable number.

755838840 is an abundant number, since it is smaller than the sum of its proper divisors (1511678040).

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

755838840 is a wasteful number, since it uses less digits than its factorization.

755838840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298671 (or 6298667 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 755838840 is about 27492.5233472666. The cubic root of 755838840 is about 910.9119545975.

The spelling of 755838840 in words is "seven hundred fifty-five million, eight hundred thirty-eight thousand, eight hundred forty".