1013432330440 has 32 divisors (see below), whose sum is σ = 2318870592000. Its totient is φ = 398502203584.

The previous prime is 1013432330431. The next prime is 1013432330459. The reversal of 1013432330440 is 440332343101.

1013432330440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1013432330399 and 1013432330408.

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, 214707880 + ... + 214712599.

It is an arithmetic number, because the mean of its divisors is an integer number (72464706000).

Almost surely, 2^{1013432330440} is an apocalyptic number.

1013432330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013432330440 is an abundant number, since it is smaller than the sum of its proper divisors (1305438261560).

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

1013432330440 is a wasteful number, since it uses less digits than its factorization.

1013432330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429420549 (or 429420545 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1013432330440 its reverse (440332343101), we get a palindrome (1453764673541).

The spelling of 1013432330440 in words is "one trillion, thirteen billion, four hundred thirty-two million, three hundred thirty thousand, four hundred forty".