425442000522 has 128 divisors (see below), whose sum is σ = 1117127116800. Its totient is φ = 104646124800.

The previous prime is 425442000517. The next prime is 425442000569. The reversal of 425442000522 is 225000244524.

It is a super-2 number, since 2×425442000522² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425442000522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25526872 + ... + 25543532.

It is an arithmetic number, because the mean of its divisors is an integer number (8727555600).

Almost surely, 2^425442000522 is an apocalyptic number.

425442000522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 425442000522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558563558400).

425442000522 is an abundant number, since it is smaller than the sum of its proper divisors (691685116278).

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

425442000522 is a wasteful number, since it uses less digits than its factorization.

425442000522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19612.

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 425442000522 in words is "four hundred twenty-five billion, four hundred forty-two million, five hundred twenty-two", and thus it is an aban number.