403452544420 has 12 divisors (see below), whose sum is σ = 847250343324. Its totient is φ = 161381017760.

The previous prime is 403452544409. The next prime is 403452544463. The reversal of 403452544420 is 24445254304.

It can be written as a sum of positive squares in 2 ways, for example, as 44788103424 + 358664440996 = 211632^2 + 598886^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 403452544420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10086313591 + ... + 10086313630.

It is an arithmetic number, because the mean of its divisors is an integer number (70604195277).

Almost surely, 2^403452544420 is an apocalyptic number.

It is an amenable number.

403452544420 is an abundant number, since it is smaller than the sum of its proper divisors (443797798904).

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

403452544420 is a wasteful number, since it uses less digits than its factorization.

403452544420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20172627230 (or 20172627228 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 403452544420 its reverse (24445254304), we get a palindrome (427897798724).

The spelling of 403452544420 in words is "four hundred three billion, four hundred fifty-two million, five hundred forty-four thousand, four hundred twenty".