425115648 has 180 divisors, whose sum is σ = 1301505240. Its totient is φ = 137134080.

The previous prime is 425115643. The next prime is 425115659. The reversal of 425115648 is 846511524.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

425115648 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 1 + 5 + 648 = 666.

It is a super-3 number, since 3×425115648³ (a number of 27 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (425115643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13713393 + ... + 13713423.

Almost surely, 2^425115648 is an apocalyptic number.

425115648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425115648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650752620).

425115648 is an abundant number, since it is smaller than the sum of its proper divisors (876389592).

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

425115648 is an frugal number, since it uses more digits than its factorization.

425115648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 36 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 425115648 is about 20618.3328132999. The cubic root of 425115648 is about 751.9154877110.

The spelling of 425115648 in words is "four hundred twenty-five million, one hundred fifteen thousand, six hundred forty-eight".