425250644275640 has 32 divisors (see below), whose sum is σ = 1013097123128880. Its totient is φ = 160094360197632.

The previous prime is 425250644275619. The next prime is 425250644275643. The reversal of 425250644275640 is 46572446052524.

It is a super-2 number, since 2×425250644275640² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425250644275643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312684296582 + ... + 312684297941.

Almost surely, 2^{425250644275640} is an apocalyptic number.

425250644275640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425250644275640 is an abundant number, since it is smaller than the sum of its proper divisors (587846478853240).

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

425250644275640 is a wasteful number, since it uses less digits than its factorization.

425250644275640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625368594551 (or 625368594547 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 56.

The spelling of 425250644275640 in words is "four hundred twenty-five trillion, two hundred fifty billion, six hundred forty-four million, two hundred seventy-five thousand, six hundred forty".