425155416 has 96 divisors (see below), whose sum is σ = 1237367040. Its totient is φ = 119249856.

The previous prime is 425155351. The next prime is 425155417. The reversal of 425155416 is 614551524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425155417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584445 + ... + 585171.

It is an arithmetic number, because the mean of its divisors is an integer number (12889240).

Almost surely, 2^425155416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425155416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618683520).

425155416 is an abundant number, since it is smaller than the sum of its proper divisors (812211624).

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

425155416 is a wasteful number, since it uses less digits than its factorization.

425155416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 798 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 425155416 is about 20619.2971752191. The cubic root of 425155416 is about 751.9389332862.

The spelling of 425155416 in words is "four hundred twenty-five million, one hundred fifty-five thousand, four hundred sixteen".