425145413240 has 64 divisors (see below), whose sum is σ = 1015765855200. Its totient is φ = 159593402368.

The previous prime is 425145413221. The next prime is 425145413261. The reversal of 425145413240 is 42314541524.

It is a happy number.

It is a super-3 number, since 3×425145413240³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425145413240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664925 + ... + 1136844.

Almost surely, 2^425145413240 is an apocalyptic number.

425145413240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425145413240 is an abundant number, since it is smaller than the sum of its proper divisors (590620441960).

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

425145413240 is a wasteful number, since it uses less digits than its factorization.

425145413240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802144 (or 1802140 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 425145413240 its reverse (42314541524), we get a palindrome (467459954764).

The spelling of 425145413240 in words is "four hundred twenty-five billion, one hundred forty-five million, four hundred thirteen thousand, two hundred forty".