425302213440 has 224 divisors, whose sum is σ = 1501117664256. Its totient is φ = 101312593920.

The previous prime is 425302213411. The next prime is 425302213451. The reversal of 425302213440 is 44312203524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 425302213398 and 425302213407.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 162777 + ... + 936536.

It is an arithmetic number, because the mean of its divisors is an integer number (6701418144).

Almost surely, 2^425302213440 is an apocalyptic number.

425302213440 is a gapful number since it is divisible by the number (40) 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 425302213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750558832128).

425302213440 is an abundant number, since it is smaller than the sum of its proper divisors (1075815450816).

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

425302213440 is a wasteful number, since it uses less digits than its factorization.

425302213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099377 (or 1099367 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 425302213440 its reverse (44312203524), we get a palindrome (469614416964).

The spelling of 425302213440 in words is "four hundred twenty-five billion, three hundred two million, two hundred thirteen thousand, four hundred forty".