425515311040 has 112 divisors (see below), whose sum is σ = 1061468438400. Its totient is φ = 162256453632.

The previous prime is 425515311029. The next prime is 425515311043. The reversal of 425515311040 is 40113515524.

It is a junction number, because it is equal to n+sod(n) for n = 425515310993 and 425515311011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425515311043) 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 15 ways as a sum of consecutive naturals, for example, 442912 + ... + 1023328.

Almost surely, 2^425515311040 is an apocalyptic number.

425515311040 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 425515311040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530734219200).

425515311040 is an abundant number, since it is smaller than the sum of its proper divisors (635953127360).

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

425515311040 is a wasteful number, since it uses less digits than its factorization.

425515311040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580542 (or 580532 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 425515311040 its reverse (40113515524), we get a palindrome (465628826564).

The spelling of 425515311040 in words is "four hundred twenty-five billion, five hundred fifteen million, three hundred eleven thousand, forty".