425243324403040 has 576 divisors, whose sum is σ = 1271960089263360. Its totient is φ = 132081387540480.

The previous prime is 425243324403017. The next prime is 425243324403049. The reversal of 425243324403040 is 40304423342524.

It is a super-2 number, since 2×425243324403040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 425243324402984 and 425243324403002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425243324403049) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 803532759 + ... + 804061801.

It is an arithmetic number, because the mean of its divisors is an integer number (2208264043860).

Almost surely, 2^{425243324403040} is an apocalyptic number.

425243324403040 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 425243324403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635980044631680).

425243324403040 is an abundant number, since it is smaller than the sum of its proper divisors (846716764860320).

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

425243324403040 is a wasteful number, since it uses less digits than its factorization.

425243324403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529187 (or 529136 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 40.

Adding to 425243324403040 its reverse (40304423342524), we get a palindrome (465547747745564).

The spelling of 425243324403040 in words is "four hundred twenty-five trillion, two hundred forty-three billion, three hundred twenty-four million, four hundred three thousand, forty".