2013043432440 has 64 divisors (see below), whose sum is σ = 6039232214400. Its totient is φ = 536802522752.

The previous prime is 2013043432409. The next prime is 2013043432481. The reversal of 2013043432440 is 442343403102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2013043432398 and 2013043432407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10033831 + ... + 10232489.

It is an arithmetic number, because the mean of its divisors is an integer number (94363003350).

Almost surely, 2^{2013043432440} is an apocalyptic number.

2013043432440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013043432440 is an abundant number, since it is smaller than the sum of its proper divisors (4026188781960).

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

2013043432440 is a wasteful number, since it uses less digits than its factorization.

2013043432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283116 (or 283112 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 2013043432440 its reverse (442343403102), we get a palindrome (2455386835542).

The spelling of 2013043432440 in words is "two trillion, thirteen billion, forty-three million, four hundred thirty-two thousand, four hundred forty".