428740011 has 12 divisors (see below), whose sum is σ = 707761392. Its totient is φ = 244994256.

The previous prime is 428740009. The next prime is 428740019. The reversal of 428740011 is 110047824.

It is not a de Polignac number, because 428740011 - 2¹ = 428740009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428740019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3402636 + ... + 3402761.

It is an arithmetic number, because the mean of its divisors is an integer number (58980116).

Almost surely, 2^428740011 is an apocalyptic number.

428740011 is a deficient number, since it is larger than the sum of its proper divisors (279021381).

428740011 is a wasteful number, since it uses less digits than its factorization.

428740011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805410 (or 6805407 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 428740011 is about 20706.0380324194. The cubic root of 428740011 is about 754.0462855070.

Adding to 428740011 its reverse (110047824), we get a palindrome (538787835).

The spelling of 428740011 in words is "four hundred twenty-eight million, seven hundred forty thousand, eleven".