425694320 has 20 divisors (see below), whose sum is σ = 989739480. Its totient is φ = 170277696.

The previous prime is 425694271. The next prime is 425694323. The reversal of 425694320 is 23496524.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425694323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660510 + ... + 2660669.

It is an arithmetic number, because the mean of its divisors is an integer number (49486974).

Almost surely, 2^425694320 is an apocalyptic number.

425694320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425694320 is an abundant number, since it is smaller than the sum of its proper divisors (564045160).

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

425694320 is a wasteful number, since it uses less digits than its factorization.

425694320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321192 (or 5321186 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 425694320 is about 20632.3609894748. The cubic root of 425694320 is about 752.2565048465.

The spelling of 425694320 in words is "four hundred twenty-five million, six hundred ninety-four thousand, three hundred twenty".