425152251524 has 144 divisors (see below), whose sum is σ = 1063535308416. Its totient is φ = 143907379200.

The previous prime is 425152251521. The next prime is 425152251547.

425152251524 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (425152251521) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 644654 + ... + 1125114.

It is an arithmetic number, because the mean of its divisors is an integer number (7385661864).

Almost surely, 2^425152251524 is an apocalyptic number.

425152251524 is a gapful number since it is divisible by the number (44) 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 425152251524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531767654208).

425152251524 is an abundant number, since it is smaller than the sum of its proper divisors (638383056892).

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

425152251524 is a wasteful number, since it uses less digits than its factorization.

425152251524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480526 (or 480511 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

It can be divided in two parts, 425152 and 251524, that added together give a palindrome (676676).

The spelling of 425152251524 in words is "four hundred twenty-five billion, one hundred fifty-two million, two hundred fifty-one thousand, five hundred twenty-four".