402541532524012 has 72 divisors (see below), whose sum is σ = 834219049664000. Its totient is φ = 166485564423360.

The previous prime is 402541532523997. The next prime is 402541532524057. The reversal of 402541532524012 is 210425235145204.

It is a super-2 number, since 2×402541532524012² (a number of 30 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 42796687 + ... + 51348217.

Almost surely, 2^{402541532524012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402541532524012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417109524832000).

402541532524012 is an abundant number, since it is smaller than the sum of its proper divisors (431677517139988).

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

402541532524012 is a wasteful number, since it uses less digits than its factorization.

402541532524012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553599 (or 8553568 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 402541532524012 its reverse (210425235145204), we get a palindrome (612966767669216).

The spelling of 402541532524012 in words is "four hundred two trillion, five hundred forty-one billion, five hundred thirty-two million, five hundred twenty-four thousand, twelve".