425166402 has 16 divisors (see below), whose sum is σ = 850560480. Its totient is φ = 141684192.

The previous prime is 425166397. The next prime is 425166403. The reversal of 425166402 is 204661524.

It is a self number, because there is not a number n which added to its sum of digits gives 425166402.

It is not an unprimeable number, because it can be changed into a prime (425166403) 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 7 ways as a sum of consecutive naturals, for example, 23749 + ... + 37607.

It is an arithmetic number, because the mean of its divisors is an integer number (53160030).

Almost surely, 2^425166402 is an apocalyptic number.

425166402 is an abundant number, since it is smaller than the sum of its proper divisors (425394078).

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

425166402 is a wasteful number, since it uses less digits than its factorization.

425166402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18977.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 425166402 is about 20619.5635744310. The cubic root of 425166402 is about 751.9454099217.

The spelling of 425166402 in words is "four hundred twenty-five million, one hundred sixty-six thousand, four hundred two".