425981499204240 has 480 divisors, whose sum is σ = 1707062553682560. Its totient is φ = 97353581681664.

The previous prime is 425981499204229. The next prime is 425981499204257. The reversal of 425981499204240 is 42402994189524.

It is a happy number.

425981499204240 is a `hidden beast` number, since 4 + 2 + 5 + 9 + 81 + 49 + 92 + 0 + 424 + 0 = 666.

It is a super-4 number, since 4×425981499204240⁴ (a number of 60 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 766321282 + ... + 766876958.

It is an arithmetic number, because the mean of its divisors is an integer number (3556380320172).

Almost surely, 2^{425981499204240} is an apocalyptic number.

425981499204240 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 425981499204240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853531276841280).

425981499204240 is an abundant number, since it is smaller than the sum of its proper divisors (1281081054478320).

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

425981499204240 is a wasteful number, since it uses less digits than its factorization.

425981499204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562956 (or 562937 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 425981499204240 in words is "four hundred twenty-five trillion, nine hundred eighty-one billion, four hundred ninety-nine million, two hundred four thousand, two hundred forty".