1013345040 has 80 divisors (see below), whose sum is σ = 3277968768. Its totient is φ = 258475008.

The previous prime is 1013345029. The next prime is 1013345071. The reversal of 1013345040 is 405433101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1013344998 and 1013345016.

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, 86269 + ... + 97308.

Almost surely, 2^1013345040 is an apocalyptic number.

1013345040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013345040 is an abundant number, since it is smaller than the sum of its proper divisors (2264623728).

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

1013345040 is a wasteful number, since it uses less digits than its factorization.

1013345040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183616 (or 183610 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1013345040 is about 31833.0809065035. The cubic root of 1013345040 is about 1004.4287042910.

Adding to 1013345040 its reverse (405433101), we get a palindrome (1418778141).

The spelling of 1013345040 in words is "one billion, thirteen million, three hundred forty-five thousand, forty".