425634336 has 36 divisors (see below), whose sum is σ = 1210398462. Its totient is φ = 141878016.

The previous prime is 425634331. The next prime is 425634359. The reversal of 425634336 is 633436524.

It can be written as a sum of positive squares in only one way, i.e., 374654736 + 50979600 = 19356^2 + 7140^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 425634336.

It is not an unprimeable number, because it can be changed into a prime (425634331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738661 + ... + 739236.

Almost surely, 2^425634336 is an apocalyptic number.

It is an amenable number.

425634336 is an abundant number, since it is smaller than the sum of its proper divisors (784764126).

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

425634336 is a wasteful number, since it uses less digits than its factorization.

425634336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477913 (or 1477902 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 425634336 is about 20630.9072994864. The cubic root of 425634336 is about 752.2211700443.

The spelling of 425634336 in words is "four hundred twenty-five million, six hundred thirty-four thousand, three hundred thirty-six".