425042543772 has 360 divisors, whose sum is σ = 1412633497968. Its totient is φ = 110199398400.

The previous prime is 425042543747. The next prime is 425042543851. The reversal of 425042543772 is 277345240524.

425042543772 is a `hidden beast` number, since 4 + 25 + 0 + 4 + 254 + 377 + 2 = 666.

It is a super-2 number, since 2×425042543772² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 111939778 + ... + 111943574.

Almost surely, 2^425042543772 is an apocalyptic number.

425042543772 is a gapful number since it is divisible by the number (42) 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 425042543772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706316748984).

425042543772 is an abundant number, since it is smaller than the sum of its proper divisors (987590954196).

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

425042543772 is a wasteful number, since it uses less digits than its factorization.

425042543772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4461 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 45.

The spelling of 425042543772 in words is "four hundred twenty-five billion, forty-two million, five hundred forty-three thousand, seven hundred seventy-two".