1013390845344 has 96 divisors (see below), whose sum is σ = 2957278040640. Its totient is φ = 337619264256.

The previous prime is 1013390845343. The next prime is 1013390845393. The reversal of 1013390845344 is 4435480933101.

1013390845344 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 39 + 0 + 84 + 534 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1013390845344² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013390845344.

It is not an unprimeable number, because it can be changed into a prime (1013390845343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340122 + ... + 1955174.

It is an arithmetic number, because the mean of its divisors is an integer number (30804979590).

Almost surely, 2^{1013390845344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013390845344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478639020320).

1013390845344 is an abundant number, since it is smaller than the sum of its proper divisors (1943887195296).

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

1013390845344 is a wasteful number, since it uses less digits than its factorization.

1013390845344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616979 (or 616965 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 1013390845344 in words is "one trillion, thirteen billion, three hundred ninety million, eight hundred forty-five thousand, three hundred forty-four".