427749353232 has 40 divisors (see below), whose sum is σ = 1105119922560. Its totient is φ = 142570116480.

The previous prime is 427749353221. The next prime is 427749353233. The reversal of 427749353232 is 232353947724.

It is not an unprimeable number, because it can be changed into a prime (427749353233) 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 7 ways as a sum of consecutive naturals, for example, 132982 + ... + 934442.

It is an arithmetic number, because the mean of its divisors is an integer number (27627998064).

Almost surely, 2^427749353232 is an apocalyptic number.

It is an amenable number.

427749353232 is an abundant number, since it is smaller than the sum of its proper divisors (677370569328).

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

427749353232 is a wasteful number, since it uses less digits than its factorization.

427749353232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812591 (or 812585 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 51.

The spelling of 427749353232 in words is "four hundred twenty-seven billion, seven hundred forty-nine million, three hundred fifty-three thousand, two hundred thirty-two".