428542496 has 24 divisors (see below), whose sum is σ = 864273564. Its totient is φ = 209044480.

The previous prime is 428542469. The next prime is 428542523. The reversal of 428542496 is 694245824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (428542469) and next prime (428542523).

It can be written as a sum of positive squares in 2 ways, for example, as 422878096 + 5664400 = 20564^2 + 2380^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162005 + ... + 164628.

Almost surely, 2^428542496 is an apocalyptic number.

It is an amenable number.

428542496 is an abundant number, since it is smaller than the sum of its proper divisors (435731068).

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

428542496 is a wasteful number, since it uses less digits than its factorization.

428542496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326684 (or 326676 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 428542496 is about 20701.2679804885. The cubic root of 428542496 is about 753.9304745843.

The spelling of 428542496 in words is "four hundred twenty-eight million, five hundred forty-two thousand, four hundred ninety-six".