428106013040 has 20 divisors (see below), whose sum is σ = 995346480504. Its totient is φ = 171242405184.

The previous prime is 428106013007. The next prime is 428106013043. The reversal of 428106013040 is 40310601824.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 428106012994 and 428106013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428106013043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675662502 + ... + 2675662661.

Almost surely, 2^428106013040 is an apocalyptic number.

428106013040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428106013040 is an abundant number, since it is smaller than the sum of its proper divisors (567240467464).

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

428106013040 is a wasteful number, since it uses less digits than its factorization.

428106013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351325176 (or 5351325170 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 428106013040 its reverse (40310601824), we get a palindrome (468416614864).

The spelling of 428106013040 in words is "four hundred twenty-eight billion, one hundred six million, thirteen thousand, forty".