1013784044 has 48 divisors (see below), whose sum is σ = 2186184000. Its totient is φ = 400571136.

The previous prime is 1013783993. The next prime is 1013784047. The reversal of 1013784044 is 4404873101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013784044.

It is not an unprimeable number, because it can be changed into a prime (1013784047) 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, 519182 + ... + 521130.

It is an arithmetic number, because the mean of its divisors is an integer number (45545500).

Almost surely, 2^1013784044 is an apocalyptic number.

1013784044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1013784044 is an abundant number, since it is smaller than the sum of its proper divisors (1172399956).

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

1013784044 is a wasteful number, since it uses less digits than its factorization.

1013784044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1013784044 is about 31839.9755653173. The cubic root of 1013784044 is about 1004.5737304306.

The spelling of 1013784044 in words is "one billion, thirteen million, seven hundred eighty-four thousand, forty-four".