755400445331 has 24 divisors (see below), whose sum is σ = 928172196864. Its totient is φ = 612027314640.

The previous prime is 755400445297. The next prime is 755400445333. The reversal of 755400445331 is 133544004557.

It is a de Polignac number, because none of the positive numbers 2^k-755400445331 is a prime.

It is a super-2 number, since 2×755400445331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755400445333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5717255 + ... + 5847888.

It is an arithmetic number, because the mean of its divisors is an integer number (38673841536).

Almost surely, 2^755400445331 is an apocalyptic number.

755400445331 is a deficient number, since it is larger than the sum of its proper divisors (172771751533).

755400445331 is a wasteful number, since it uses less digits than its factorization.

755400445331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565231 (or 11565224 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 41.

Adding to 755400445331 its reverse (133544004557), we get a palindrome (888944449888).

The spelling of 755400445331 in words is "seven hundred fifty-five billion, four hundred million, four hundred forty-five thousand, three hundred thirty-one".