428754443964 has 96 divisors (see below), whose sum is σ = 1252879466496. Its totient is φ = 110865343680.

The previous prime is 428754443941. The next prime is 428754443969. The reversal of 428754443964 is 469344457824.

It is a junction number, because it is equal to n+sod(n) for n = 428754443898 and 428754443907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428754443969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834352 + ... + 1246455.

It is an arithmetic number, because the mean of its divisors is an integer number (13050827776).

Almost surely, 2^428754443964 is an apocalyptic number.

428754443964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

428754443964 is an abundant number, since it is smaller than the sum of its proper divisors (824125022532).

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

428754443964 is a wasteful number, since it uses less digits than its factorization.

428754443964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081055 (or 2081053 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 60.

The spelling of 428754443964 in words is "four hundred twenty-eight billion, seven hundred fifty-four million, four hundred forty-three thousand, nine hundred sixty-four".