412520330440 has 32 divisors (see below), whose sum is σ = 953256442680. Its totient is φ = 160548452352.

The previous prime is 412520330377. The next prime is 412520330459. The reversal of 412520330440 is 44033025214.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 318834139716 + 93686190724 = 564654^2 + 306082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 412520330399 and 412520330408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139363497 + ... + 139366456.

Almost surely, 2^412520330440 is an apocalyptic number.

412520330440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

412520330440 is an abundant number, since it is smaller than the sum of its proper divisors (540736112240).

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

412520330440 is a wasteful number, since it uses less digits than its factorization.

412520330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278730001 (or 278729997 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 412520330440 its reverse (44033025214), we get a palindrome (456553355654).

The spelling of 412520330440 in words is "four hundred twelve billion, five hundred twenty million, three hundred thirty thousand, four hundred forty".