411020045440 has 64 divisors (see below), whose sum is σ = 986885955000. Its totient is φ = 163690020864.

The previous prime is 411020045431. The next prime is 411020045479. The reversal of 411020045440 is 44540020114.

It can be written as a sum of positive squares in 4 ways, for example, as 329374983744 + 81645061696 = 573912^2 + 285736^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 1255665 + ... + 1548784.

Almost surely, 2^411020045440 is an apocalyptic number.

411020045440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

411020045440 is an abundant number, since it is smaller than the sum of its proper divisors (575865909560).

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

411020045440 is a wasteful number, since it uses less digits than its factorization.

411020045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804697 (or 2804685 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 411020045440 its reverse (44540020114), we get a palindrome (455560065554).

The spelling of 411020045440 in words is "four hundred eleven billion, twenty million, forty-five thousand, four hundred forty".