425720016 has 40 divisors (see below), whose sum is σ = 1221975360. Its totient is φ = 141906528.

The previous prime is 425720011. The next prime is 425720017. The reversal of 425720016 is 610027524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425720011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492300 + ... + 493163.

It is an arithmetic number, because the mean of its divisors is an integer number (30549384).

Almost surely, 2^425720016 is an apocalyptic number.

It is an amenable number.

425720016 is an abundant number, since it is smaller than the sum of its proper divisors (796255344).

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

425720016 is a wasteful number, since it uses less digits than its factorization.

425720016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985480 (or 985468 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 425720016 is about 20632.9836911679. The cubic root of 425720016 is about 752.2716405854.

The spelling of 425720016 in words is "four hundred twenty-five million, seven hundred twenty thousand, sixteen".