426543400 has 48 divisors (see below), whose sum is σ = 1018534140. Its totient is φ = 166003200.

The previous prime is 426543361. The next prime is 426543401. The reversal of 426543400 is 4345624.

It can be written as a sum of positive squares in 6 ways, for example, as 110628324 + 315915076 = 10518^2 + 17774^2 .

It is not an unprimeable number, because it can be changed into a prime (426543401) 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, 21421 + ... + 36220.

Almost surely, 2^426543400 is an apocalyptic number.

426543400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426543400 is an abundant number, since it is smaller than the sum of its proper divisors (591990740).

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

426543400 is a wasteful number, since it uses less digits than its factorization.

426543400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57694 (or 57685 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 426543400 is about 20652.9271533117. The cubic root of 426543400 is about 752.7563171378.

The spelling of 426543400 in words is "four hundred twenty-six million, five hundred forty-three thousand, four hundred".